Benchmark 2 Review

Front

What is the price of a new comic book at the store if 3 new comic books cost $10.50?

Back

$3.50

Front

If 2 pounds of chocolate cost $16.00, what is the constant of proportionality for the cost of chocolate?

Back

8

Front

What is the price for a vintage comic book at the store if 2 vintage comic books cost $7.80?

Back

$3.90

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if two quantities maintain a constant ratio.

Front

How do you find the constant of proportionality in a proportional relationship?

Back

Divide one quantity by the other (y/x).

Front

If a map has a scale of 2 inches = 0.25 miles, how do you find the distance on the map for a real distance of 3 miles?

Back

Use the scale to convert: 3 miles = 3 / 0.25 * 2 = 24 inches.

Front

What is a proportional relationship in a graph?

Back

A proportional relationship is represented by a straight line that passes through the origin.

Front

If 4 pounds of apples cost $12, what is the cost per pound?

Back

$3 per pound.

Front

What is the formula for finding the price per item in a proportional relationship?

Back

Price per item = Total price / Number of items.

Front

If a recipe requires 3 cups of flour for 12 cookies, how much flour is needed for 24 cookies?

Back

6 cups of flour.