Math 8 U5L6 Practice

Water is drained from a swimming pool at a constant rate until it is completely empty.

Which graph could represent this scenario?

• A

• B

• C

• None of the graphs

There are some nickels in a jar. Andrew takes 1 nickel out each day.

Which graph could represent this scenario?

• A

• B

• C

• None of the graphs

The post office charges different amounts of money based on the weight of the package. They charge either $10, 9, 8, 7, or $6 per pound based on the weight.

Which graph could represent this scenario?

• A

• B

• C

• None of the graphs

A dog is sitting about 10 feet away from its owner. The dog then starts to walk away from the owner.

Which graph could represent this scenario?

• A

• B

• C

• None of the graphs

The graph represents Asia's distance from home over time on a Saturday when she goes away to see family.

Examine her distance away from home between 2 and 3 hours.

What could be happening during this time?

• She is driving to her grandma's house.

• She stopped for lunch.

• She is driving back home

The graph represents Asia's distance from home over time on a Saturday when she goes away to see family.

Examine her distance away from home between 5 and 6 hours.

What could be happening during this time?

• She is driving to her grandma's house.

• She stopped for breakfast

• Her car breaks down.

What is the input of this function?

• Time

• Distance

What is the output of the function when the input is 3?

• 30

• 60

• 1

• 3.5

Examine the equation y = 3x + 1.

What is the output if the input is 4?

• 13

• 8

• 35

• 1

Examine the equation y = 3x + 1.

What is the input if the output is 10?

• 3

• 31

• 311