Content of Proportionality Word Problems

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

Tags

CCSS.7.RP.A.2D

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x

• y = k-x

• y = kx

• y = k/x

Tags

CCSS.7.RP.A.2C

Identify the constant of proportionality.

• k = 25

• k = 50

• k = 100

• k = 1/50

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality for this table?

• $1/9 per hour

• $9 per hour

• $8 per hour

Tags

CCSS.7.RP.A.2B

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x

Tags

CCSS.6.EE.C.9

Which of the following statements is TRUE about the graph? Choose all that apply.

• The point (2, 8) shows that 8 pounds of cheese cost$2.00.

• The point (1.5, 6) shows the cost is $6.00 for 1.5pounds of cheese.

• The point (0.75, 3) shows that 0.75 pound of cheesecosts $3.00.

• The point (0.25, 1) shows the cost is $0.25 for 1pound of cheese.

• The point (0, 0) shows the cost is $0.00 for 0 pounds of cheese

Tags

CCSS.7.RP.A.2D

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Tags

CCSS.7.RP.A.2B

Which graph is proportional?

• A

• B

• None of the graphs

• All of the graphs are proportional

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality for the table above?

• X=4

• X=3

• X=1/2

• No C.O.P

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality of the relationship represented by the table above?

• 75

• 0.013

• 1/75

• None of the above

Tags

CCSS.7.RP.A.2B