Proportional Relationships

Front

What makes a graph proportional?

Back

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

Front

If Josh bought a pizza with eight slices for $12, what is the cost of one slice?

Back

$1.50

Front

What is the constant of proportionality in a relationship?

Back

The constant of proportionality is the ratio between two quantities that are proportional.

Front

If a store sees 120 customers in 8 hours, what is the constant of proportionality?

Back

15 customers per hour.

Front

Jacob mixed 8 cups of flour with 2 cups of water. What is the equation representing the relationship between flour (f) and water (w)?

Back

f = 4w.

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

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

Back

Divide the value of one quantity by the corresponding value of the other quantity.

Front

What does it mean if two quantities are directly proportional?

Back

If one quantity increases, the other quantity increases at a constant rate.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a recipe calls for 3 cups of sugar for every 4 cups of flour, what is the constant of proportionality?

Back

The constant of proportionality is 3/4.