Inverse Variation - Independent Practice

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.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

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

• 4

• 5

• 25

• 100

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

Does the equation show an inverse variation? 
 $y=\frac{10}{x}$  

• yes

• no

Tags

CCSS.HSF-LE.A.1B

Given the following equation, identify the constant k.
 $y=\frac{54}{x}$  

•  $k=\frac{54}{x}$  

•  $k=x$ 

•  $k=54$  

•  $k=y$  

Tags

CCSS.HSF-LE.A.1B

Does the table show an inverse variation?

• Yes

• No

Tags

CCSS.HSA.REI.D.10

Which of the following are true for INVERSE variation? Select all that apply.

• $y=3x$

• $y=\frac{2}{x}$

• $k=2$

• $2=xy$

• $y=5x+9$

Tell whether x and y show direct variation, inverse variation, or neither.

• Direct Variation

• Inverse Variation

• Neither

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Tell whether x and y show direct variation, inverse variation, or neither.

• Direct Variation

• Inverse Variation

• Neither

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

The time it takes to drive to Dallas is inversely proportional to your driving speed. It takes 3 hours to get to Dallas if you drive 60 mph. How long will the trip take if you drive 72 mph?

• 2.5 hours

• 2.6 hours

• 2.8 hours

• 3.5 hours

• 3.6 hours

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

The time that a group of carpenters takes to build a deck is inversely proportional to the number of carpenters. If 3 carpenters can build a deck in 36 working hours, how many carpenters are needed to build a deck in 27 working hours?

• 2

• 3

• 4

• 5

• 6

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3