Proportional Relationships Review

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is the product of 6 and 7?

Back

The product of 6 and 7 is 42.

Front

How can you find the constant of proportionality?

Back

The constant of proportionality can be found by calculating the unit rate.

Front

If the Williams family bought four concert tickets for $252, what is the price per ticket?

Back

The price per ticket is $63.00.

Front

If you can buy 3 cookies for $2.00, what would be the cost of 15 cookies?

Back

The cost of 15 cookies would be $10.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

How do you calculate a unit rate from a ratio?

Back

To calculate a unit rate, divide the first quantity by the second quantity.

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio.

Front

What is the formula for finding the constant of proportionality?

Back

The constant of proportionality can be found using the formula k = y/x, where k is the constant, y is the dependent variable, and x is the independent variable.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.