Topic 3 Test Review - Proportional Relationships

Front

What is the constant of proportionality in the equation y = 14x?

Back

14

Front

If Toby uses 12 grams of peanuts to make 50 cups of peanut butter, how many grams of peanuts does he use for 75 cups?

Back

18 grams of peanuts

Front

Which equation shows a NON-proportional relationship of x and y?

Back

y = x + 3

Front

What is considered the constant of proportionality in the equation y = kx?

Back

k

Front

Which graph is non-proportional?

Back

Graph D

Front

Define proportional relationships.

Back

Proportional relationships are relationships between two quantities where the ratio of one quantity to the other quantity is constant.

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

Back

y = 12

Front

What does a proportional relationship graph look like?

Back

A straight line that passes through the origin.

Front

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

Back

2/3