Read Proportional Graph

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $100 is earned for every 2 hours worked

• $500 is earned for every 8 hours worked

• $200 is earned for every 3 hours worked

Is the graph proportional or non proportional?

• proportional

• non proportional

What is the constant of proportionality?

• 8

• 16

• 24

• 2

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37

• $64.75

• $9.25

• $18.50

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• 1/14

Write an equation for this situation.

• y = 9.75x

• y = 19x

• y = 19.25x

• y = 9.5x

Mr. Mancini is driving east to visit relatives. The graph shows the distances and times he drove for each of five days. Which value is closest to the unit rate represented in the graph?

• 62.5 mph

• 60.0 mph

• 58.3 mph

• 61.5 mph

The graph shows how the amount of money Katya earns depends on the time she works.

How much does Katya earn per hour? (unit rate)

• $16.00 per hour

• $6.25 per hour

• $20.00 per hour

• $1.60 per hour

The graph shows how the cost of rice depends on the amount purchased.

Which equation describes the relationship between x, the amount purchased in pounds, and y, the cost in dollars?

• y = 1.6x

• y = 8x

• y = 0.625x

• y = 3x