Ratios Proportional

Which number would complete this ratio table?

• 28

• 16

• 19

• 48

Does the following ratio table form a proportion? If yes, what is the constant of proportionality?

• Yes; k= 1/3

• Yes; k = 3

• No

• Yes; k = 6

Tags

CCSS.7.RP.A.2A

Write an equation for the proportional relationship between x and y.

• y = 10x

• x = 10y

• 10 = xy

Tags

CCSS.7.RP.A.2C

In my movie collection, I have 6 Disney movies, 4 superhero movies, and 5 sports movies. What is my ratio of Disney movies to total movies?

• 6 : 15

• 6 : 9

• 15 : 6

• 9 : 6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Nick has 7 bottles of water for every 5 cups of coffee that he drinks. If Nick has 70 bottles of water, how many cups of coffee should he have?

• 5 cups of coffee

• 35 cups of coffee

• 50 cups of coffee

• 70 cups of coffee

What special letter represents the constant of proportionality?

• x

• y

• k

• a

Tags

CCSS.7.RP.A.2B

What equation do we use to represent proportional relationships?

• y = x

• y = kx

• y = k + x

• y= kx + 1

Tags

CCSS.7.RP.A.2C

• Yes

• No

Tags

CCSS.7.RP.A.2A

• Yes

• No

Tags

CCSS.7.RP.A.2A

Does the following graph show a proportion? If so, what is the constant of proportionality? If not, why not?

• No - line does not go through (0,0)

• No - graph is not a straight line

• Yes; k=2

• Yes; k=4

Tags

CCSS.7.RP.A.2D