Unit 4 - Proportional Relationships

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

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

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• 1/14

Tags

CCSS.7.RP.A.2B

Alexis used 2.5 cups of oreo bits in a dish that serves 10 people. Kaden used 1.6 cups of oreo bits in a dish that serves 8 people. How much more oreo is in one serving of Alexis' dish?

• .5 cup
• .05 cup
• .2 cup
• .25 cup

Tags

CCSS.7.EE.B.3

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 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

Does this equation represent a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2D

• y = 14x ; 133 parts
• y = 1/14x; .68 parts
• y = 14x ; 130 parts
• y = 1/14x; .66 parts

Tags

CCSS.HSF-LE.A.1B