Constant Rate of Change - Tables & Graphs

What is the meaning of the point (20, 5)?

• If she delivers 20 newspapers, she will earn $5.

• If she earns $20, she will deliver 5 newspapers.

Which equation represents the graph shown?

• $y=\frac{1}{2}x$

• y=5x

• y=4x

• $y=\frac{1}{4}x$

What is the meaning of the point (0, 0)?

• She walks 0 dogs in 0 hours

• She spends 0 dollars in 0 weeks.

• She bakes 0 cookies in 0 days.

• She earns 0 dollars in 0 days.

Nancy can type 50 words per minute. Look at the table below to write an equation that matches the data.

• m=50 + w
• w= 50m
• w= 50 + m
• m= 50 - w

Tags

CCSS.6.EE.C.9

What is the rate of change (unit rate) for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Tags

CCSS.7.RP.A.2B

What is the constant of Proportionality for this table?

• $\frac{1}{9}$

• 9

• 8

What is the equation of the line?

• y = 20x
• y = x + 20
• y = 2x
• y = x + 2

You earn $18 for every hour you work. Which equation represents this relationship?

• y=(18/2)x + 0

• y = 18x

• y = 2x + 18

• y = 18x + 2

Is this a proportional equation? Why?

• It is not proportional because it doesn't have a constant.

• It is not proportional because it doesn't have a constant rate of change.

• It is proportional because if x = 0, y = 0.

• It is proportional because it has a y intercept of 22.