Proportional Relationships and Constants of Proportionality

Is the graph proportional, inversely proportional or neither?

• Inversely Proportional

• Proportional

• Neither

Tags

CCSS.7.RP.A.2D

g is directly proportional to b

Given g=20 when b=4.

Find g when b=7

• 35

• 5

• 15

• 23

Tags

CCSS.7.RP.A.2B

What is the Constant of Proportionality in this example?

• 1/8

• 8

• 16

• 2

Tags

CCSS.7.RP.A.2B

Which equation matches the graph?

• y = 8x

• y = 1x

• y = 3x

• y = 16x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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Tags

CCSS.7.RP.A.2D

Party stores use helium cylinders to fill balloons. The table shows the number of balloons that can be filled with various helium cylinder sizes, measured in cubic feet.

Which graph represents the proportional relationship between the number of balloons filled, 𝒚, and the size of the helium cylinder, 𝒙?

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Tags

CCSS.7.RP.A.2D

Which Graph is inversely proportional?

• Graph B

• Graph C

• Graph A

• None

Tags

CCSS.8.EE.B.5

Which answer best describes this graph?

• nonlinear and nonproportional

• linear and nonproportional

• linear and proportional

• nonlinear and proportional

Tags

CCSS.7.RP.A.2D

Which option best describes a proportional relationship? Circle all that apply.

• The line goes through the origin, (0,0).

• A proportional relationship has a downward curving slope.

• The point (1,k) is a solution to a proportional relationship.

• None are correct.

Tags

CCSS.7.RP.A.2D

What is the rate of change for the following graph?

*Hint: you can make a table with your input and output. Or you can use the equation y = kx to solve for your constant.

• 16

• 1

• 8

• 2

Tags

CCSS.7.RP.A.2D