Directly and Inversely Proportional Relationships

What is the value of y when x = 7?

• 30

• 35

• 25

• 36

Tags

CCSS.HSF.IF.A.2

Is the graph proportional, inversely proportional or neither?

• Inversely Proportional

• Proportional

• Neither

Tags

CCSS.8.EE.B.5

What is the rate of change for the following graph?*Hint: you can make a table with your input and output. Or you can use the equation y = kx to solve for your constant.

• 16

• 1

• 8

• 2

Tags

CCSS.HSF-LE.A.1B

Find the rate of change (or constant), and solve for the missing output.

• 27

• 72

• 90

• 88

Tags

CCSS.HSF-LE.A.1B

y in inversely proportional to x, and y = 9 when x = 4. What is the value of y when x = 3? Remember the formula for inverse relationships is y = k/x

• 12

• 4

• 36

• 9

Susan and Joe both insure their properties with the Oklahoma Insurance Company. The cost of house insurance premiums with the Oklahoma Insurance Company is directly proportional to the value of the property being insured. Susan pays premiums of $80 per month on her property valued at $160,000. How much does Joe pay on his property valued at $323,000?

• $2,000

• $75.20

• $161.50

• $44.60

Tags

CCSS.7.RP.A.3

g is directly proportional to b Given g=20 when b=4. Find g when b=7

• 35

• 5

• 15

• 23

Is y=kx proportional?

• Yes

• No

• 8

• 4

If two quantities are inversely proportional, what happens to one quantity when the other is halved?

• It remains the same.

• It doubles.

• It halves.

• It quadruples.