8.1 Inverse Variation

8.1 Inverse Variation

Multiple Choice

• A

• B

• C

• D

Open Ended

1.What is the objective of the lesson today?

2.How can we use this lesson in the the real world?

3.How are you going to be assessed on what you learn today?

Multiple Choice

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

• direct variation

• inverse variation

• neither

Multiple Choice

The variables x and y vary inversely, and y = 8 when x = 4.

Write an equation that relates x and y.

• y = 32 x

• y = ³² / _x

• y = 2 x

• y = ² / _x

Multiple Choice

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