Constant of Proportionality and Equations

I bought a school lunch three days this week and spent $12. Write an equation to represent the cost of lunches as a constant rate.

Tags

CCSS.6.EE.C.9

It takes me 20 minutes to give 2 dogs a bath. Write an equation describing the constant relationship.

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Tags

CCSS.7.RP.A.2B

What is the constant of Proportionality for this table?

• 1/9

• 9

• 8

Tags

CCSS.7.RP.A.2B

The equation y=5x describes a proportional relationship between x and y. What is the constant of proportionality?

• 6

• 4

• 7

• 5

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality?

• $3

• No COP

• $2

• $9

Tags

CCSS.7.RP.A.2B

One of these tables represents a proportional relationship. Table _____ represents a proportional relationship. The equation is ____ = ___ ___

• Table A, y = 1.6x

• Table A, y = 0.625x

• Table B, y = 1.5x

• Table B, y = 2/3x

Tags

CCSS.7.RP.A.2D

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

Tags

CCSS.6.EE.C.9

Is this table proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2A

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• There is no COP.

Tags

CCSS.5.OA.B.3