Proportionality in Graphs and Tables

What is the constant of proportionality?

• $3

• No COP

• $2

• $9

Tags

CCSS.7.RP.A.2B

Is this table proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2A

Is this table proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2A

The constant of proportionality in the equation y = ½x is _______. 

• x

• y

• 1/2

• 2

Tags

CCSS.7.RP.A.2B

 Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

Tags

CCSS.7.RP.A.2B

A graph shows a straight line that passes through the points (0,0) and (5,15). What is the equation of the line that represents this proportional relationship?

Tags

CCSS.7.RP.A.2C

Given the graph of a line that passes through the origin and the point (4, 8), which of the following is true about the relationship between x and y?

• The relationship is not proportional.

• The relationship is proportional, and the constant of proportionality is 0.5.

• The relationship is proportional, and the constant of proportionality is 2.

• The relationship is proportional, but the constant of proportionality cannot be determined.

Tags

CCSS.7.RP.A.2B

The ratio of boys to girls in a math classroom is 1:4. Complete the table below to represent the proportional relationship of boys to girls.

a

b

c

d

5

12

8

4

Is this graph proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2D

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• There is no COP.

Tags

CCSS.7.RP.A.2C