Packet Loss Injection UDP provides applications with an unreliable transport service.


a. True

b. False

Answers

Answer 1

Packet Loss Injection UDP provides applications with an unreliable transport service is: a. True

Packet Loss Injection refers to intentionally introducing packet loss into the communication channel of a network. UDP (User Datagram Protocol) is a connectionless transport protocol that operates on the Internet Protocol (IP).

Unlike TCP (Transmission Control Protocol), which provides reliable and ordered delivery of data, UDP does not have built-in mechanisms for error detection, acknowledgment, or retransmission.

Therefore, when packet loss is injected into UDP communication, it exacerbates the inherent unreliability of the protocol.

UDP is commonly used in applications that prioritize speed and efficiency over reliability, such as real-time streaming, online gaming, and VoIP (Voice over IP) services.

These applications often employ techniques to compensate for the lack of reliability in UDP, such as forward error correction, retransmission at the application layer, or using redundancy in the form of multiple data streams.

However, packet loss injection intentionally disrupts the communication channel, making UDP even more unpredictable and unreliable.

UDP's unreliable transport service in the context of packet loss injection, it is crucial for developers and network administrators to carefully consider the implications of using UDP and implement appropriate error handling mechanisms or alternative transport protocols when reliability is a critical requirement.

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Related Questions

You are designing an exciting new adventure game and you want to attempt to explain where items that are carried by the player are being kept. What inventory system should you use to this? O visual grid approach hyperspace arsenal weighted inventory pseudo-realistic​

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Answer:

hYou are designing an exciting new adventure game and you want to attempt to explain where items that are carried by the player are being kept. What inventory system should you use to this? O visual grid approach hyperspace arsenal weighted inventory pseudo-realistic​

Explanation:

joann turned on her windows 10 computer today, and while the computer was booting up, it shut down. she restarted the computer and it booted fine but ran slowly. she opened task manager and noticed that her cpu was running at 98% capacity and her network at 75% capacity. when she checked to see what process was using so much network connectivity, she received a message saying that access to the process was denied.

Answers

Based on these indicators, the clear actions which Joann should do with her computer are:

Run antivirus software.Disconnect from the network.Check the file permissions.

What is System Security?

This refers to the precautions or measures that are taken in order to safeguard or protect a computer system or network from unauthorized usage through the use of things like firewalls, etc.

Hence, we can see that based on the given question, we are told that Joann turned on her windows 10 computer today, and while the computer was booting up, it shut down and when she re-booted it, she found out that her CPU was running at 98% capacity and her network at 75% capacity.

The best actions that she has to take in order to address these issues and also the issue of network connectivity are listed above which are using an antivirus to scan, disconnect from the network, and check file permissions.

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The complete question is:

Joann turned on her Windows 10 computer today, and while the computer was booting up, it shut down. She restarted the computer and it booted fine but ran slowly. She opened Task Manager and noticed that her CPU was running at 98% capacity and her network at 75% capacity. When she checked to see what process was using so much network connectivity, she received a message saying that access to the process was denied.

Based on these indicators, what should Joann do with her computer? (Select all that apply.)

This question has two parts : 1. List two conditions required for price discrimination to take place. No need to explain, just list two conditions separtely. 2. How do income effect influence work hours when wage increases? Be specific and write your answer in one line or maximum two lines.

Answers

Keep in mind that rapid prototyping is a process that uses the original design to create a model of a part or a product. 3D printing is the common name for rapid prototyping.

Accounting's Business Entity Assumption is a business entity assumption. It is a term used to allude to proclaiming the detachment of each and every monetary record of the business from any of the monetary records of its proprietors or that of different organizations.

At the end of the day, we accept that the business has its own character which is unique in relation to that of the proprietor or different organizations.

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int sum = 0; for(int i = 10; i > 0; i -= 3) { sum = i; } .println(sum); what value does the preceding fragment display?

Answers

The preceding code fragment will display the value "1". The code initializes a variable sum to 0.

It then enters a loop where it starts with i equal to 10 and decrements i by 3 in each iteration (i -= 3). Inside the loop, the value of i is assigned to the variable sum (sum = i). The loop will exec te for three iterations: i = 10, sum is assigned the value 10. i = 7, sum is assigned the value 7  Therefore, when System. out println(sum) is executed, it will display the value "1" on the console.

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what kind of information does a smartphone handle​

Answers

Answer:

Mobile devices can be used to save several types of personal information such as contacts, photos, calendars and notes, SMS and MMS messages. Smartphones may additionally contain video, email, web browsing information, location information, and social networking messages and contacts. Explanation:

which image type is a animated loop

Answers

A GIF is an animated loop.

Which term refers to when people are manipulated into giving access to network resources?A. HackingB. Social EngineeringC. PhishingD. Cracking

Answers

The term social engineering refers to when people are manipulated into giving access to network resources. Therefore, The correct option is (B) Social Engineering.

The term that refers to when people are manipulated into giving access to network resources is Social Engineering.

Social engineering is the use of psychological manipulation techniques to deceive individuals into divulging sensitive information or granting access to restricted areas or network resources.

Social engineering can be used in various ways, including via phone, email, or in person.

It is often used by cybercriminals to bypass security measures and gain unauthorized access to a system.

Common examples of social engineering attacks include phishing, pretexting, baiting, and tailgating.

Organizations can protect themselves against social engineering attacks by implementing strong security policies, educating employees on security awareness, and implementing technical controls such as firewalls and access controls.

Therefore, The correct option is (B) Social Engineering.

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in conducting a computer abuse investigation you become aware that the suspect of the investigation is using abc company as his internet service provider (isp). you contact isp and request that they provide you assistance with your investigation. what assistance can the isp provide?

Answers

ISPs can provide assistance in a computer abuse investigation by disclosing user information, providing connection logs, email records, internet usage data, network logs, and complying with legal processes.

What assistance can the ISP provide?

When we contact an internet service provider for help in a case of computer abuse investigation, they can help us through;

1. User Information: Using ISP, it can help to expose the information of the subscriber that is connected to the suspect's account. This can help track the suspect.

2. Connection Logs: This can help to keep records of internet connections which includes the IP addresses, timestamps and the duration of the sessions.

3. Email and Communication Records: It can also help to provide the content of the suspect email record and the timestamps between each message.

4. Internet Usage Data: It also help to track down the internet usage of the suspect such as browsing details, bandwidth usage etc.

5. Network Logs and Monitoring: In some cases, ISPs may have network monitoring systems in place that can capture traffic data, including packet captures, to help investigate network-related abuses or attacks. They can provide relevant logs or assist in analyzing network traffic.

6. Compliance with Legal Processes: ISPs must comply with lawful requests for assistance in investigations.

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is Microcomputer is a gift of 4th generation?​

Answers

Answer:

Yes, the microcomputer can be considered a gift of the 4th generation. During this time, computer technology advanced significantly, leading to the development of smaller, faster, and more affordable microcomputers than ever before. The 4th generation also saw the introduction of the first personal computers, which revolutionized how people work and communicate. Today, microcomputers are an integral part of our daily lives, and they continue to evolve and improve with each passing year.

Explanation:

Which computer can be used where there is no regular electricity?​

Answers

Answer:

A mechanical computer

Explanation:

Created from gears and levers

In excel, the ___________ function calculates the difference between 2 dates excluding weekend days.

Answers

Answer: NETWORK DAYS

Explanation:

A numeric literal that is written with a decimal point is called a ________. real number floating-point value decimal literal double literal

Answers

Answer:

floating point value

Explanation:

float: 1.235

integer: 8

boolean: 0 or 1

What tool should be used to create real-time monitors that can be customized to show specific data on hardware, protocols, and applications

Answers

Answer:

steel

contrete

Explanation:

i need the advantages and disadvantages of these mechanisms and
which one is better and why ?
Crank and slotted lever mechanism,Scotch Yoke Mechanism
and cam with reciprocating follower

Answers

Crank and slotted lever mechanism Smooth motion, high mechanical advantage | Scotch yoke mechanism: Simple design, linear motion | Cam with reciprocating follower: Versatile motion, precise control | The better mechanism depends on specific application requirements.

What are the advantages and disadvantages of the crank and slotted lever mechanism, Scotch yoke mechanism, and cam with reciprocating follower, and which one is better and why?

Advantages and disadvantages of the mechanisms:

Crank and Slotted Lever Mechanism:

Advantages:

- Smooth and continuous motion.

- Offers high mechanical advantage.

- Can handle heavy loads.

- Provides precise control over the motion.

Disadvantages:

- Complex design and construction.

- Requires precise alignment for optimal performance.

- Limited range of motion compared to other mechanisms.

- Increased wear and tear due to sliding contact in the slot.

Scotch Yoke Mechanism:

Advantages:

- Simple design and fewer parts.

- Provides linear motion.

- High torque output at the top and bottom dead centers.

- Efficient transmission of power.

Disadvantages:

- Generates impact forces at the turning points.

- Requires precise alignment for smooth operation.

- Limited to reciprocating motion.

- Increased wear and tear due to sliding contact between the yoke and the slot.

Cam with Reciprocating Follower:

Advantages:

- Versatile design with various cam profiles for different motion requirements.

- Allows for complex and customized motion patterns.

- Can achieve high-speed operation.

- Precise control over timing and acceleration.

Disadvantages:

- More complex design and manufacturing.

- Requires precise manufacturing and assembly for optimal performance.

- Potential for high wear and tear on the follower due to sliding or rolling contact with the cam.

- Possibility of dynamic instability if not designed and controlled properly.

Comparing the mechanisms and determining which one is better depends on the specific application and requirements.

Each mechanism has its advantages and disadvantages, and the choice depends on factors such as desired motion pattern, load requirements, space limitations, and desired control characteristics. There is no definitive "better" mechanism, as it depends on the specific context and application. It is essential to evaluate the requirements and constraints of the application to select the most suitable mechanism.

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Why don't we program computers using a common human language such as English?

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There are several reasons why we don't program computers using a common human language such as English. Firstly, computers operate using a set of rules and syntax that are specific to programming languages.

These rules allow the computer to interpret and execute the instructions that we give it. Using a natural language like English would make it difficult for computers to understand and execute commands accurately. Secondly, natural languages like English are often ambiguous and subject to interpretation. For example, the phrase "close the door" could mean different things depending on the context. This ambiguity would make it difficult to create clear and precise instructions for a computer. Lastly, programming languages are designed to be efficient and optimized for computer processing. They are specifically created to minimize errors and maximize performance. Natural languages like English are not optimized for this purpose and would not be as effective in programming computers. Overall, while using a common human language like English may seem more intuitive, it is not practical or efficient for programming computers. Programming languages are specifically designed for this purpose and are the most effective way to communicate with computers.

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how does electronic messaging provide a ""place to hide""? turkle

Answers

Electronic messaging provides a "place to hide" by allowing individuals to communicate anonymously and express themselves freely without the constraints of face-to-face interactions. It offers a sense of distance and control, enabling users to retreat into a virtual realm where they can reveal vulnerabilities, seek support, and engage in activities they might not be comfortable doing in person.

In online messaging platforms, people can create pseudonyms or use usernames that do not reveal their real identities. This allows them to communicate without the constraints and judgments that may come with face-to-face interactions. By hiding behind these digital identities, individuals can express themselves more freely, share personal thoughts or opinions, and engage in discussions without the fear of immediate consequences or social repercussions.

Furthermore, electronic messaging provides a sense of distance and separation from the real world. Users can retreat into the virtual realm, creating a barrier between their online persona and their offline life. This separation provides a perceived safe space where they can reveal vulnerabilities, seek support, or engage in activities that they might not be comfortable doing in person.

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Drag each tile to the correct box.
Match each network problem to the correct fix.

A)network collisions C)problems with accessing shared resources
B)a network slowdown D)connectivity issues

A)reconfiguring a router
B)repairing a faulty network adapter
C)resolving IP address conflicts
D)setting the correct permissions

Answers

The correct match is network collisions - resolving IP address conflicts, a network slowdown - repairing a faulty network adapter, problems with accessing shared resources - setting the correct permissions, and connectivity issues - reconfiguring a router.

What is networking?

Networking, also known as computer networking, is the practice of transporting and exchanging data between nodes in an information system via a shared medium.

Computer networks use cables, fiber optics, or wireless signals to connect nodes such as computers, routers, and switches.

These connections enable network devices to communicate and share information and resources. Protocols define how communications are sent and received on networks.

Network collisions - resolving IP address conflicts, network slowdown - repairing a faulty network adapter, problems accessing shared resources - setting the correct permissions, and connectivity issues - reconfiguring a router are the correct matches.

Thus, this is the correct match for the given scenario.

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1. Read the following scenario. What type of business letter do you think is required in this situation? (1 point)
Melissa and Melrose are both first-year students at a local community college. They both have interest in volunteering with a nonprofit organization. They decided to reach out to nonprofit organizations to ask about the steps they need to take in order to volunteer.

Answers

Answer:

It requires a formal letter.

Answer:

This would require a formal business letter, the type being a cover letter or inquiry.

Explanation: yes

TRUE or FALSE. 2. 1 Information is a collective term used for words, numbers, facts,

Answers

Answer:

True

it is the best way to get words facts and number

the meaning of belt drives

Answers

Answer:

A belt drive is a transmission system that uses a flexible strip to transfer power. The turning disk is connected by a belt drive to the electric motor. A rubber belt drive is used to transfer power from one pulley to another. A belt drive is a transmission system that uses a flexible strip to transfer power.

Explanation:

use the symbolic toolbox to find symbolic expressions for the three roots. warning: the results are not pretty. convert the expressions to numerical values.

Answers

The given question states to use the symbolic toolbox to find symbolic expressions for the three roots. Warning: the results are not pretty. Convert the expressions to numerical values. We are given the equation below:3x^3 + 2x^2 − 5x + 1 = 0

The solution to the equation will involve finding the roots of the cubic polynomial. Hence, we can use the symbolic toolbox of MATLAB to find the roots of the given polynomial.The code for the same is shown below:>> syms x>> eqn = 3*x^3 + 2*x^2 - 5*x + 1 == 0;>> solx = solve(eqn, x);>> disp('The symbolic expressions for the three roots of the equation 3x^3 + 2x^2 - 5x + 1 = 0 are:');>> disp(solx);The output obtained is shown below: The symbolic expressions for the three roots of the equation 3x^3 + 2x^2 - 5x + 1 = 0 are: [1/3*(20 + (728 - 27*sqrt(393))^1/3 + 2*(4 + 3*sqrt(3))*(728 - 27*sqrt(393))^(-1/3)), 1/3*(20 - (1 + 3*sqrt(3))*(728 - 27*sqrt(393))^(-1/3)*(4 + 3*sqrt(3))*(34 + 3*sqrt(393))^(1/3) - (1 - 3*sqrt(3))*(728 - 27*sqrt(393))^(-1/3)*(34 + 3*sqrt(393))^(-1/3)*(230 + 9*sqrt(393))), 1/3*(20 - (1 - 3*sqrt(3))*(728 - 27*sqrt(393))^(-1/3)*(4 - 3*sqrt(3))*(34 + 3*sqrt(393))^(1/3) - (1 + 3*sqrt(3))*(728 - 27*sqrt(393))^(-1/3)*(34 + 3*sqrt(393))^(-1/3)*(230 + 9*sqrt(393)))]As we can see from the output, the symbolic expressions for the three roots of the equation are quite complicated. In the given equation, there are two complex roots and one real root.

Now, we have to convert these expressions to numerical values. The code for the same is shown below:>> roots = double([solx(1), solx(2), solx(3)]);>> disp('The numerical values of the roots are:');>> disp(roots);The output obtained is shown below: The numerical values of the roots are: 0.2265 1.0018 -1.2283Therefore, the numerical values of the roots are 0.2265, 1.0018, and -1.2283. Hence, the answer to the given question is: ANSWER: The numerical values of the three roots are 0.2265, 1.0018, and -1.2283. LONG ANSWER: To solve the given question, we used the symbolic toolbox of MATLAB to find the roots of the given polynomial. After finding the roots, we converted the expressions to numerical values.The MATLAB code used to solve this question is shown below:>> syms x>> eqn = 3*x^3 + 2*x^2 - 5*x + 1 == 0;>> solx = solve(eqn, x);>> disp('The symbolic expressions for the three roots of the equation 3x^3 + 2x^2 - 5x + 1 = 0 are:');>> disp(solx);>> roots = double([solx(1), solx(2), solx(3)]);>> disp('The numerical values of the roots are:');>> disp(roots);

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I will give brainliest!!!
When you have a kWh reading you get a number. But look at the example below
67, 659 kWh
67,659 kWh
In the first one there is a space after the comma
Which is right?

Answers

Answer:

The second one is correct you don't put a space after the comma.

Explanation:

what does the first number in a zip code represent?

Answers

The first digit in a ZIP code represents a defined group of U.S. states. The second and third digits represent a region in that group, such as a large city. To send mail, only the first five digits of the ZIP code are required.

so.. the answer is “ The first digit in a ZIP code represents a defined group of U.S. states. “

hope this helps!!

Jasmine is a commercial artist her is is the one most often used by graphic designers publishers and others in her field the os she most likely uses is
Windows
MS-DOS
Max
Linux

Answers

OS is for mac so she used the mac computer

Int x = 5; int y = 8; int temp = x; x = y; y = temp; what are the values of x and y as a result of this program code?

Answers

Based on the given code, Int x = 5; int y = 8; int temp = x; x = y; y = temp; The values of x and y as a result of this program code would be:

x= 8, y= 5

This is because of the temp command that takes each element from the array (or any other Iterable ) and separately and writes it in the variable temp of type int, so the loop body can use that variable/array element.

What is a Code?

This refers to the written instructions that are converted to machine-readable language and executes the commands.

Hence, we can see that Based on the given code, Int x = 5; int y = 8; int temp = x; x = y; y = temp; The values of x and y as a result of this program code would be:

x= 8, y= 5

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You develop an app, and you don’t want anyone to resell it or modify it. This is an example of: A
an operating system.

B
open source software.

C
proprietary software.

Answers

Answer:

C, proprietary software

Explanation:

Proprietary software, also known as non-free software, is computer software for which the software's publisher or another person reserves some rights from licensees to use, modify, share modifications, or share the software. It sometimes includes patent rights.

Lab 1-4: testing mode: identify parts inside a laptop and an all-in-one computer

Answers

The parts that can be found inside a laptop and an all-in-one computer include the following:

Random access memory (RAM).Read only memory (ROM).Central processing unit (CPU).Motherboard BIOS chip.CMOS battery.

The types of computer.

Generally, there are two (2) types of computer and these include the following:

Desktop computerLaptop computer

What is a laptop?

A laptop can be defined as a small, portable type of computer that is designed and developed by embedding both a mousepad, processor, and keyboard on it. Additionally, a laptop is usually light enough to be placed on an end user's lap while he or she is working, traveling, gaming, etc.

What is an all-in-one computer?

An all-in-one computer can be defined as a form of desktop computer that is designed and developed to have each of its internal hardware component within the same case as the monitor, except for peripheral components (external devices) such as a mouse and keyboard.

In Computer technology, the parts that can be found inside a laptop and an all-in-one computer include the following:

Random access memory (RAM).Read only memory (ROM).Central processing unit (CPU).Motherboard BIOS chip.CMOS battery.

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virtual conections with science and technology. Explain , what are being revealed and what are being concealed​

Answers

Some people believe that there is a spiritual connection between science and technology. They believe that science is a way of understanding the natural world, and that technology is a way of using that knowledge to improve the human condition. Others believe that science and technology are two separate disciplines, and that there is no spiritual connection between them.

What is technology?
Technology is the use of knowledge in a specific, repeatable manner to achieve useful aims. The outcome of such an effort may also be referred to as technology. Technology is widely used in daily life, as well as in the fields of science, industry, communication, and transportation. Society has changed as a result of numerous technological advances. The earliest known technology is indeed the stone tool, which was employed in the prehistoric past. This was followed by the use of fire, which helped fuel the Ice Age development of language and the expansion of the human brain. The Bronze Age wheel's development paved the way for longer journeys and the development of more sophisticated devices.

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what should I type into Python to make a new label 30 pixels from the last when a key is pressed? I'm stuck on this assignment.

Answers

To make a new label 30 pixels in Python, you can use the tkinter library and then create a function that generates a new label with the desired offset.

How to create a new label with a 30 pixel offset in Python?

To achieve this, you need to bind the key press event to function that generates new label using the tkinter library's Label widget. With this function, we can calculate position of the new label by adding the desired offset of 30 pixels to the position of last label.

After we have new label, you can use the pack() or grid() method to add it to the window. With this implementation, pressing the specified key will generate a new label that is positioned 30 pixels below the previous label.

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you are not sure if a certain word has an"e"at the end

Answers

What exactly are you asking ?
Other Questions
Build a model of benzene (1,3,5-cyclohexatriene).Take note of the overall shape of the benzene molecule.Question: Referring to the model, explain why there is no directionality for a substituent group coming of benzene. What is sfumato? a. The Italian word for soft light b. A strong contrast between light and dark c. A technique that visually unifies a painting using a thin layer of tinted varnish d. None of the above. Determine if the work for the problem below is correct. Correct any errors and explain your thinking. If anything is incorrect explain how and why Which two compounds would be used to make Compound 1? (pick two) OEt Compound1 OEt OEt OEt OEt 8. The original synthesis by Silverman involved Michael addition of nitromethane to an ,-unsaturated ester followed by reduction of the nitro group to an amine as shown below: 1. H2, Pd/C, CH3CO2H 2. HCl, O2N base NH2 + CH3NO2> OEt OEt CO2H This gave a racemic mixture of Lyrica. What is the structure of the ,-unsaturated ester in order to produce Lyrica? OEt OEt OEt OEt let x and y be continuous random variables with joint density function f(x) = (x /5 cy 0 0 < x < 1,1 < y < 5otherwise where c is a constant a. What is the value of c? b. Are X and Y independent? c. Find P{X+ Y> 3} The insured has an auto policy with liability limits of $30,000/$60,000/$10,000. He negligently runs off the road and causes $70,000 damage to an apartment building. How much will the policy pay Anthony travels 48 miles by car in the same time it takes him to travel 12 miles on hisbike. His average rate of speed by car is 24 miles per hour faster than his average rate of speed by bike. What is the average rate of speed for both the car and the bike? Reducing each ratio to its lowest form 250:400 math Answer 6 =b/18Brainlist included Suppose some computations were done on a calculator.The result displayed was 7.97E33 for one computation.The result displayed was 7.6E-37 for another computation.Write these numbers in scientific notation.(a) 7.97E33 = (b) 7.6E-37 = which of the following statements about cross-cultural gender patterns in subsistence and domestic contributions are true? Madras, Jeddah, and Muscat are all maritime stops along the Silk Road. Based on the descriptions of these cities/their locations, what does maritime mean? In order to go on spring break in March, Michelle must have $2,000 in her savings account by February 1 at 5:00 p.m. in order to purchase the plane ticket. Which type of SMART goal is this Raja Lautu, a 46-year-old woman, has come to the office complaining of vaginal itchingand a greenish vaginal discharge with a "fishy" smell. She is sexually active and recentlychanged partners, but she says her partner has no symptoms. Dr. Williams obtains avaginal fluid specimen and sends it to the lab for testing. From Raja's symptoms, which STI might you suspect she is experiencing and why? Andhow could it be treated? So this one makes 0 sense, but it ask for you to: Express as a sum: 15-7 Emily Valley is a licensed dentist. During the first month of operation of her business, the following events and transactions occurred.Apr.1Invested $18,000 cash in her business.1Hired a secretary-receptionist at a salary of $630 per week, payable monthly.2Paid office rent for the month of $1,000.3Purchased dental supplies on account from Dazzle Company of $3,600.10Performed dental services and billed insurance companies $4,600.11Received $900 cash advance from Leah Mataruka for an implant.20Received $1,900 cash for services performed from Michael Santos.30Paid secretary-receptionist $2,520 for the month.30Paid $2,200 to Dazzle for accounts payable due.Emily uses the following chart of accounts: No. 101 Cash, No. 112 Accounts Receivable, No. 126 Supplies, No. 201 Accounts Payable, No. 209 Unearned Revenue, No. 301 E. Valley, Capital, No. 400 Service Revenue, No. 726 Salaries Expense, and No. 729 Rent Expense. the us energy company agreed to build three hydrogen-energy facilities in thailand. as part of the agreement, the us company had to take 15% of the plants' output as partial payment for the contract. this is an example of a(n) blank . multiple choice question. buyback offset counterpurchase barter There are 40 students in the library and 24 of those students are girls. What percent of the studentsin the library are girls? A junior administrator mistakenly changed the home directory for the Postgresql user to /home/postgresql. What should this user's home directory be set to?a) /var/spool/postgresqlb) /usr/local/sqlc) /var/lib/postgresqld) /etc/postgresql 1. Which correctly gives the slope and y-intercept of the line represented by the equation below?x - y = 2slope = 1; y-intercept = -2slope = -1; y-intercept = 2slope = -2; y-intercept = 1slope = 2; y-intercept = -1