Topic 2 Review

Front

What is the term for the ratio of two quantities that describes how much of one quantity corresponds to one unit of another?

Back

Unit Rate

Front

If two quantities x and y are related such that y is always a constant multiple of x, what is this relationship called?

Back

Proportional Relationship

Front

What is the term for an equation that states that two ratios are equal?

Back

Proportion

Front

What is the constant of proportionality in a proportional relationship?

Back

It is the constant factor that relates the two quantities.

Front

If a table shows values that maintain a constant ratio, what type of relationship does it represent?

Back

Proportional Relationship

Front

What is the unit rate if 12 apples cost $3?

Back

$0.25 per apple

Front

How do you find the constant of proportionality from a table of values?

Back

Divide the value of y by the value of x for any pair of corresponding values.

Front

What is the constant of proportionality if y = 4x?

Back

4

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the unit rate of flour to sugar?

Back

2/3 cups of flour per cup of sugar

Front

What is the unit rate if a car travels 150 miles in 3 hours?

Back

50 miles per hour