Quiz about Understanding Linear Functions and Slope

Question 1

Find the slope of the line that passes through the points (2, 3) and (5, 11).

Accepted Answer

$$\frac{8}{3}$$

Answer

2

Answer

3

Answer

$$\frac{11}{5}$$

Question 2

What is the slope of the line represented by the equation $$y = 4x + 7$$ ?

Accepted Answer

4

Answer

7

Answer

0

Answer

-4

Question 3

Determine the rate of change from the graph:

Accepted Answer

0

Answer

undefined

Answer

5

Answer

-5

Question 4

What is the y-intercept of the function $$y = -3x + 5$$ ?

Accepted Answer

5

Answer

-3

Answer

0

Answer

-5

Question 5

Find the slope from the table:

Accepted Answer

5/-2

Answer

-2/5

Answer

5/2

Answer

2/5

Question 6

Which of the following functions shows an initial amount of $20 and an increase of 25% each year?

Accepted Answer

y = .25x+20

Answer

y = 20x+25

Answer

y = (20)(.25)+x

Answer

y = .25x-20

Question 7

A car rental company charges a flat fee of $30 plus $0.50 per mile driven. Which expression represents the total cost, $$C$$ , for driving $$m$$ miles?

Accepted Answer

C = 30 + 0.50m

Answer

C = 30m + 0.50

Answer

C = 30 + 50m

Answer

C = 0.50 + 30m

Question 8

What is the slope and y-intercept of the table?

Accepted Answer

m=6/5 b=0

Answer

m=5/6 b=6

Answer

m=-5/6 b=5

Answer

m=-6/5 b=-1

Question 9

Every day, Andrea earns a flat fee of $20 plus an additional $6 dollars for each sale she makes. Andrea made 10 sales last Saturday. How much did Andrea earn last Saturday?

Accepted Answer

$80

Answer

$60

Answer

$260

Answer

$206

Question 10

What is the y-intercept of this graph?

Accepted Answer

1

Answer

-2

Answer

0

Answer

3

Question 11

What is the y-intercept of the line graphed?

Accepted Answer

3

Answer

0

Answer

It doesn't have one

Answer

2

Question 12

Compare the initial values of each function.

Accepted Answer

The initial value of item I is greater than the initial value of item II.

Answer

The initial value of item I is equal to the initial value of item II.

Answer

The initial value of item II is greater than the initial value of item I.

Question 13

Which linear function has the greatest slope?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 14

What has the GREATER rate of change.

Accepted Answer

Someone who starts with $6 and gets $8 each day.

Answer

y = 7x + 10

Answer

y = 5x + 20

Answer

Someone who starts with $8 and gets $6 each day.

Understanding Linear Functions and Slope

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