ACC Proportional Relationships Review

Front

Is this graph proportional?

Back

No

Front

Jasmin is baking a cake that calls for 1/4 cup water for every 1/2 cup of flour. How much flour will she need if she uses 1.5 cups of water?

Back

3 cups of flour

Front

What does k represent in the equation y = kx?

Back

constant of proportionality

Front

The equation y=6.5x represents a proportional relationship. What is the constant of proportionality?

Back

6.5

Front

Find the unit rate of 624 calories in 3 servings.

Back

208 calories per serving

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

How do you determine if a relationship is proportional from a table of values?

Back

If the ratio of y to x is constant for all pairs, it is proportional.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality.

Front

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

Back

y = 12

Front

What does the slope of a proportional relationship graph represent?

Back

The constant of proportionality.