Proportional Representations

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

What is the proper format for a proportional equation?

Back

y = kx

Front

What does 'k' represent in the equation y = kx?

Back

In the equation y = kx, 'k' represents the constant of proportionality.

Front

If y = 3x, what is the value of y when x = 4?

Back

y = 3 * 4 = 12.

Front

What is the graph of a proportional relationship?

Back

The graph of a proportional relationship is a straight line that passes through the origin (0,0).

Front

How do you determine if two quantities are proportional?

Back

Two quantities are proportional if their ratios are equal when comparing different pairs of values.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second quantity is one unit.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

What is the constant of proportionality in the equation y = 5x?

Back

The constant of proportionality is 5.

Front

If the cost of 5 apples is $10, what is the cost of 1 apple?

Back

The cost of 1 apple is $10 / 5 = $2.