Linear Functions and Word Problems Test Review

_{What is the y-intercept of the line?}

• y = 1/2

• y = 1

• y = -1/2

• y = -1

Is the graph linear, exponential or neither?

• Linear

• Exponential

• Neither

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

Tags

CCSS.6.EE.C.9

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5

• y = 2.50x + 3

• y = 2.50x 

• y = 3x + 2.50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• A

• B

• C

• D

Tags

CCSS.HSF-BF.A.1A

• 
• 
• 
• 

Tags

A.2(C)

Yaleen adds songs to her spotify playlist. If her playlist already has 500 songs, and she adds 3 songs per day. write a linear function

Mathematical Equivalence

ON

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

• y=15x-25

• 15x+25y=100

• 25x+y=15

• y=15x+25

Tags

CCSS.6.EE.C.9

What is the y-intercept?

• 7

• 0

• 1

• 2

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

Tags

CCSS.HSF-BF.A.1A