Constant of Proportionality Quiz (k=y/x)

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Write the equation for the table given.

• y = 16x

• y=8x

• y=12x

Tags

CCSS.6.EE.C.9

CCSS.6.EE.B.6

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.2

CCSS.6.RP.A.1

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.6.RP.A.3

CCSS.6.RP.A.2

CCSS.6.RP.A.1

CCSS.6.EE.C.9

CCSS.6.EE.B.6

This equation does not show a proportional relationship. Why?

• Doesn't go through point of origin (0,0)

• Not a straight line

Tags

CCSS.6.EE.C.9

• 2

• 3

• 4

• 8

Tags

CCSS.6.RP.A.3

CCSS.6.EE.C.9

CCSS.6.EE.B.6

CCSS.6.EE.B.7

A recipe calls for 2 cups of flour to make 12 cookies. What is the constant of proportionality that represents the number of cups of flour per cookie?

• 2

• 6

• 24

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.2

CCSS.6.RP.A.1

CCSS.6.NS.A.1

In a table showing the relationship between the number of hours worked and the amount of money earned at a constant rate, if 5 hours of work corresponds to $75, what is the constant of proportionality representing the rate of pay per hour?

• $10

• $15

• $20

• $25

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.2

CCSS.6.RP.A.1

CCSS.6.EE.C.9

CCSS.6.EE.B.7

A car travels 180 miles in 3 hours at a constant speed. What is the constant of proportionality that represents the speed of the car in miles per hour?

• 60 mph

• 90 mph

• 120 mph

• 180 mph

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.2

CCSS.6.NS.B.2

If a graph shows a straight line passing through the origin (0,0) and the point (4,10), what is the constant of proportionality?

• 2.5

• 4

• 5

• 10

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.2

CCSS.6.RP.A.1

CCSS.6.EE.C.9