Course 2: 5.5 Test Reveiw (Proportions and slope)

Front

What is a proportion?

Back

Two ratios set equal to each other.

Front

What is a rate with the denominator of one?

Back

Unit Rate.

Front

If a cake recipe calls for 1.5 cups of milk and 3 cups of flour, how many cups of milk should be used if 5 cups of flour are used?

Back

2.5 cups milk.

Front

What is the measurement of the steepness of a line?

Back

Slope.

Front

What is the ratio of dogs to all pets if there are 2 dogs, 4 cats, and 5 hamsters?

Back

2:11.

Front

What is the formula for calculating slope?

Back

Slope = (change in y) / (change in x).

Front

What does a unit rate represent?

Back

A unit rate compares a quantity to one unit of another quantity.

Front

How do you find a missing value in a proportion?

Back

Cross-multiply and solve for the unknown.

Front

What is the relationship between proportions and equivalent ratios?

Back

Proportions are equivalent ratios.

Front

What is a direct variation?

Back

A relationship where one variable is a constant multiple of another.