Proportional and Nonproportional Relationships and Functions

What relationship shows the proportional relationship in the table?

• y=2x

• y=25x

• y=50x

• y=2x+50

Which line has a slope of 2/3?

• Line A

• Line B

• Line C

• Line D

What is the equation of Line C?

• y = 2.5x

• y = x+10

• y = 10-x

• y = x+60

What ordered pair represents the y intercept of y = 3x - 2

• (0,3)

• (2,3)

• (0,-2)

• (3,-2)

The costs for going to the dog park is $6 for one dog, and $1 for each additional dog. Which equation show this situation, where x $\ge$  1.

• y = x+5

• y = x+6

• y = 6x

• y = 6x+2

Which statement compares the data on these graphs?

• Both graphs are linear.

• Neither graph is linear.

• M is linear. N is not linear.

• N is linear. M is not linear.

The mapping diagram shows a function. What could NOT be a possible value for n?

• 9

• 10

• 11

• 12

Calculate the unit rate/slope for each rider.

• Rider A: 30 Rider B: 24

• Rider A: 24 Rider B: 30

• Rider A: 72 Rider B: 60

• Rider A: 60 Rider B: 72

Write an equation for Rider A

• y=72x

• y=60x

• y=30x

• y=24x

Write an equation for Rider B.

• y=72x

• y=60x

• y=30x

• y=24x