Proportional Relationships Quiz

Which of the following graphs represents a proportional relationship?

• Graph C

• Graph A

• Graph B

• Graph D

Tags

CCSS.7.RP.A.2D

What is the slope of a graph that represents a proportional relationship?

• The slope is undefined

• The slope is constant and equal to the ratio of the change in the y-axis variable to the change in the x-axis variable.

• The slope is always negative

• The slope is equal to the y-intercept

Tags

CCSS.8.EE.B.5

If y is directly proportional to x, which equation represents the relationship?

• y = x^2

• y = k/x

• y = x + k

• y = kx

Tags

CCSS.6.EE.C.9

Which of the following equations represents a proportional relationship?

• y = 0.5x

• y = 2x + 3

• y = 3x - 1

• y = x^2

Tags

CCSS.7.RP.A.2C

If a graph represents a proportional relationship, what does the y-intercept represent?

• The average of all the y-values in the graph

• The value of x when y is equal to 0

• The slope of the graph

• Starting value or value of y when x is equal to 0

Tags

CCSS.8.EE.B.5

Which of the following is NOT a characteristic of a proportional relationship?

• The ratio of the two quantities is always constant.

• The ratio of the two quantities is not constant.

• The two quantities increase or decrease at the same rate.

• The graph of the relationship is a straight line passing through the origin.

Tags

CCSS.7.RP.A.2D

If y is inversely proportional to x, which equation represents the relationship?

• y = kx

• y = kx^2

• y = k^x

• y = k/x

What is the constant of proportionality in the equation y = 3x?

• 2

• 3

• 4

• 1

Tags

CCSS.7.RP.A.2B

If a graph represents an inversely proportional relationship, what does the x-intercept represent?

• The value of x when the y-coordinate is zero.

• The point where the graph intersects the y-axis.

• The slope of the graph.

• The value of y when the x-coordinate is zero.

Tags

CCSS.8.EE.B.5

Which of the following equations represents an inversely proportional relationship?

• D

• B

• C

• A