Proportionality Review

Front

What is the constant of proportionality also called?

Back

Unit Rate

Front

If Jada can read 3/5 of a book in 1/4 of an hour, how long would it take her to read one whole book?

Back

5/12 of an hour per book

Front

Solve the proportion: 3/4 = x/12

Back

4

Front

Write an equation for the proportional relationship: If y is 18.50 times x, what is the equation?

Back

y=18.50x

Front

If Kyle takes 1/5 of a minute to eat 1/2 of a pie, how many pies can he eat per minute?

Back

2 and 1/2 pies per minute

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

How do you find the unit rate from a ratio?

Back

Divide the first quantity by the second quantity.

Front

What does the y-intercept represent in a proportional relationship?

Back

The value of y when x is 0, which is always 0 in a proportional relationship.

Front

If a recipe requires 2 cups of flour for 4 servings, how much flour is needed for 10 servings?

Back

5 cups of flour.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant, y is the output, and x is the input.