Writing Linear Equations and Function Notation

Writing Linear Equations and Function Notation

​

Multiple Choice

Find the slope of the line

• -5/4

• 5/4

• -4/5

• 4/5

Multiple Choice

What is the slope of the table?

• 1/2

• 2

• -2

• 3

Multiple Choice

Find the slope of the line that passes through:
(-4, 7) and (-6, -4)

• 2/11

• 13/2

• 3/10

• 11/2

Multiple Choice

Which graph is linear?

• Graph A

• Graph B

• Graph C

• Graph D

Multiple Select

How can you tell if a relation is a function? (2 correct answers)

• Has inputs and outputs

• The x values don't repeat

• Passes vertical line test

• x-values and y-values are the same

Multiple Choice

Slope is another word for:

• Initial Value

• Rate of Change

• Change in Y's

• Y-intercept

Multiple Choice

To find the y-intercept, plug in 0 for x

• True

• False

Multiple Choice

Given the equation y=2x+1. What is the value of y where x =1?

• 1

• -1

• 0

• 3

Multiple Choice

Given the equation y=2x+1. What is the value of y where x =0?

• 1

• -1

• 0

• 3

Multiple Choice

f(2)=8. What is the input?

• 2

• 4

• 8

• f

Multiple Choice

f(2)=8. What is the output?

• 2

• 4

• 8

• f

Multiple Choice

Given the function f(x)=2x-1. What is f(2)?

• 2

• 3

• 5

• 4

Multiple Choice

Given the function f(x)=-2x+3. What is f(-1)?

• 2

• -3

• 5

• 4

Multiple Choice

Given the function f(x)=2x-1. What is f(-1)?

• 2

• -3

• 5

• 4

Multiple Choice

What does the function f(10)=3 mean?

• When the x coordinate for this function is 10, the y coordinate is 3

• When the x coordinate for this function is 3, the y coordinate is 10

Multiple Select

For which of the following functions does  f(2)=−1? Choose ALL that apply!

• $$f\left(x\right)=2^x-1$$

• $$f\left(x\right)=3^x-10$$

• $$f\left(x\right)=4.5x-10$$

• $$f\left(x\right)=\frac{9}{4}x^2-10$$

Multiple Select

For which of the following functions does  f(0)=−10? Choose ALL that apply!

• $$f\left(x\right)=2^x-11$$

• $$f\left(x\right)=3^x-11$$

• $$f\left(x\right)=4.5x-10$$

• $$f\left(x\right)=\frac{9}{4}x^2-10$$

Multiple Choice

If f(12)=4(12)-3. Which function gives f(x)?

• f(x)=4x-3

• f(x)=12x

• f(x)=4x

• f(x)=4x-20

Multiple Choice

If f(3)=4³. Which function gives f(x)?

• f(x)=4x

• f(x)= $$4^x$$

• f(x)=4x+3

• f(x)=4x-9

Multiple Choice

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

• y = 7x + 20

• y = 7 + 20x

• y = 20 + 7

Multiple Choice

A holiday meal costs $12.50 a person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?

• y = 30 + 12.5x 

• y = 12.5 + 30

• y = 12.5 + 30x

Multiple Choice

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40