Quiz about Modeling with Linear Equations

Question 1

Point-Slope Form:
Write the equation of the line through (8, 11) and (5, -1) in point-slope form.

Accepted Answer

y+1=4(x-5)

Answer

y-1=4(x-5)

Answer

y=4x-21

Answer

y=4x-19

Question 2

Graph 2x - y = 4

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 3

How do you change

y-4=3(x+3) into slope-intercept form?

Accepted Answer

y=3x+13

Answer

y=23x-1/23

Answer

y-7x=9

Answer

y=13-3x

Question 4

Give the x-intercept

3x + 8y = 24

Accepted Answer

(8, 0)

Answer

(0, 8)

Answer

(3, 0)

Answer

(0, 3)

Question 5

Given the following table, write the linear equation.

Accepted Answer

y = 3x + 9

Answer

y = 9x + 3

Answer

y = 3x + 12

Answer

y = 1x + 12

Question 6

A 7-inch candle burns at a rate of 2-inches per hour. Which equation represents the relationship between y, the height of the candle in inches, and x, the number of hours the candle burns?

Accepted Answer

y=-2x+7

Answer

y=2x+7

Answer

y=2-7x

Answer

y=7x+2

Question 7

A driving range charges $4 to rent a golf club plus $2.75 for every bucket of golf balls you hit. Write an equation that shows the total cost c of hitting b buckets of golf balls.

Accepted Answer

c = 2.75b + 4

Answer

c = 2.75b

Answer

c =  4b- 2.75

Answer

c = 2.75b - 4

Question 8

d=125 + 80n models the amount of money (d) in the register after selling n tickets. How much money does she have in the register before selling any tickets?

Accepted Answer

$125

Answer

$80

Answer

$205

Answer

$45

Question 9

Which is the graph of y= -x + 2?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 10

Graph x = 2

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 11

Graph y = -3

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 12

Find the slope of the line.

Accepted Answer

0

Answer

Undefined

Answer

1

Answer

-1

Question 13

What is the y-intercept?

Accepted Answer

7

Answer

0

Answer

1

Answer

2

Question 14

Which company shows a greater rate of change?

Accepted Answer

Water's Edge Rafts

Answer

Ryan's Rafts

Question 15

Which of the following has a y-intercept of 3?

Accepted Answer

y=2x+3

Answer

y = 3x +2

Answer

x=3

Answer

y=x

Question 16

Kim traveled 6 miles in two hours. Which line represents Kim?

Accepted Answer

Solid Black

Answer

Dashed Blue

Question 17

At what rate did the rain fall?

Accepted Answer

2 cm per hour

Answer

¹/₄ cm per hour

Answer

¹/₂ cm per hour

Answer

4 cm per hour

Question 18

Which statement matches the graph?

Accepted Answer

Taylor can write 25 words per minute

Answer

Taylor can write 6 words per minute

Answer

Taylor can write 50 words per minute

Answer

Taylor can write 150 words per minute

Question 19

Dorothy loves to make cakes. The following table shows how the number of eggs that she has left changes as she makes cakes.
What is the meaning of the y-intercept?

Accepted Answer

She started with 47 eggs.

Answer

She uses 5 eggs for every 2 cakes.

Answer

She uses 47 eggs for every 0 cakes.

Answer

She started with 5 eggs.

Question 20

Write an equation for the word problem:
A tree was planted when it was 10 inches tall. It grows 3 inches per week.

Accepted Answer

y = 3x + 10

Answer

y = 3x

Answer

y = 10x + 3

Answer

y = 10x

Modeling with Linear Equations

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