MA7 Equations for Proportional Relationships Practice

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two quantities that are directly proportional to each other.

Front

If there are 9 chairs in 3 rows, how many chairs are there per row?

Back

3 chairs per row.

Front

If there are 24 apples in 4 baskets, how many apples are there per basket?

Back

6 apples per basket.

Front

What is the constant of proportionality in the equation y = ½x?

Back

1/2.

Front

If a car travels 60 miles in 2 hours, what is the constant of proportionality between distance and time?

Back

30 miles per hour.

Front

How do you represent the total cost of x kilograms of apples that cost $3 per kilogram?

Back

y = 3x.

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio.

Front

If y = kx, what does k represent?

Back

k represents the constant of proportionality.

Front

What is the formula to find the constant of proportionality?

Back

Constant of proportionality = y/x.

Front

If a recipe requires 4 cups of flour for 2 cakes, how much flour is needed for 5 cakes?

Back

10 cups of flour.