inverse variation

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

• 14
• 10
• 2
• -14

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

x and y vary inversely. Given (5, 20), what is the constant k?

• 4
• 5
• 25
• 100

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

What kind of variation does this equation show?
y = 6x

• Inverse Variation
• Direct Variation
• No Variation
• Joint Variation

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.LE.A.1

Given the following equation, identify the constant k.
y = 54/x

• There is one.
• k = x
• 54
• y = k

Tags

CCSS.HSF-LE.A.1B

Does the table show an inverse variation?

• Yes
• No

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

True or False:
Direct Variation passes through the origin of a graph and inverse variation does not.

• True
• False

Tags

CCSS.HSF.IF.B.4

Given (32, 15) and (12, y). If the y varies inversely to x, find the constant k, and then find the missing y value.

• 40

• 48

• -40

• -48

Is the given table a direct variation? If so, what is the constant of proportionality?

• Yes; 1/4
• Yes; 4
• Yes; 1/2
• No

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the constant (k) in this inverse variation?
y = 400/x

• x
• y
• 400
• Not enough information given

Tags

CCSS.HSF-LE.A.1B

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5