Interpreting Proportional Relationships With Graph

The equation y=10x represents the amount of allowance, y, in dollars, that Jacob receives for doing x hours of chores. Which statement interprets the slope of this equation?

• Jacob does chores for $0 per hour.

• Jacob does chores for $10 per hour.

• Jacob receives $0 of allowance money before doing any chores.

• Jacob receives $10 of allowance money before doing any chores.

Which of the following is another meaning of y-intercept?

• location

• initial value

• total

• constant rate

Match the correct equation to the graph

• y = 4x

• y = 9x

• y = 10x

• y = 3x

What is the unit rate for this graph?

• 100

• 25

• 50

• 200

True/False: The point (4 , 2) means that 4 cookies were purchased for $2.

• True

• False

Which of the following ordered pairs represents the unit rate?

• (0.50, 1)

• (2, 1)

• (1, 0.50)

• (1, 2)

Which graph shows a proportional relationship between x and y?

• F

• G

• H

• J

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Write an equation for this situation.

• y = 9.75x

• y = 19x

• y = 19.25x

• y = 9.5x

Using the graph above, determine the constant of proportionality.

• k = 0

• k = 1

• k = 3

• k = 6