Representing Proportional Relationships Through an Equation

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none

Tags

CCSS.7.RP.A.2B

What does k represent in the equation

y = kx?

• distribute

• kangaroos

• constant of proportionality

• karate

Tags

CCSS.7.RP.A.2C

Identify the constant of proportionality

• k = 5

• k = 1

• k =1/5

• k = 2.5

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality

• k = 1/90

• k = 1/30

• k = 90

• k = 30

Tags

CCSS.7.RP.A.2B

Is this table proportional?

• yes

• no

Tags

CCSS.7.RP.A.2A

Which of the following is an equation to represent this proportional relationship?

• y=15x

• x=15y

• y=3x

• x=3y

Tags

CCSS.7.RP.A.2C

What does k represent in the equation y = kx?

• independent variable

• constant of proportionality

• dependent variable

• krispy kreme

Tags

CCSS.7.RP.A.2C

Write the equation of the proportional relationship using the format y = kx.

Tags

CCSS.7.RP.A.2C

If the constant of proportionality is 7, which of the following is the correct proportional equation?

• y=7k

• y=k7

• y=kx

• y=7x

Tags

CCSS.7.RP.A.2C

An app developer projects that he will earn $230.00 for every 100 apps downloaded. Which of the following equations can be used to represent the proportional relationship between the number of apps, x, and the total earnings, y?

• y = 100x

• y = 230x

• y = 2.3x

• y = 23,000x

Tags

CCSS.7.RP.A.2C