Proportional Relationships 2

How do you find k? 

• x/y
• y/x
• y=kx
• x ⋅ y

Tags

CCSS.6.EE.C.9

Identify the constant of proportionality. Write an equation to relate weight, w, to the price, p.

• k = .45; p = .45w
• k = .22; p = .22w
• k = 45; p = 45w
• k = 22; p = 22w

Tags

CCSS.7.RP.A.2B

Is this table proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2A

Jasmin is baking a cake that calls for 1/4 cup water for every 1/2 cup of flour. How much flour will she need if she uses 1.5 cups of water?

• 4 cups of flour
• .75 cups of flour
• 3 cups of flour
• .25 cups of flour

Tags

CCSS.7.RP.A.3

Daniel walked 2/5 mile in 1/4 hour. How fast did he walk, in miles per hour?

• 1.25 miles per hour
• 1/10 miles per hour
• 1.6 miles per hour
• 2 miles per hour

Tags

CCSS.7.RP.A.1

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.
• After 94 weeks, they save $2.
• After 1 week, they save $47.
• After 2 weeks, they save $94.

Tags

CCSS.8.EE.B.5

What does the ordered pair (20, 3000) represent?

• The machine folds 3,000 sheets in 20 minutes.
• The machine folds 20 sheets in 3,000 minutes.
• There are 3,000 sheets in 20 minutes.
• There are 20 sheets in 3,000 minutes.

Tags

CCSS.8.EE.B.5

The equation y=6.5x represents a proportional relationship. What is the constant of proportionality?

• x
• 1/6.5
• 6.5
• y

Tags

CCSS.7.RP.A.2B

Find the unit rate of 624 calories in 3 servings.

• 1,872 calories per serving
• 208 calories per serving
• 624 calories per serving
• 621 calories per serving

Tags

CCSS.6.NS.B.2

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.8.EE.B.5