CoP Review for Test

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 equation form of a proportional relationship?

Back

The equation form of a proportional relationship is y = kx, where k is the constant of proportionality.

Front

What does the constant of proportionality represent?

Back

The constant of proportionality represents the factor by which one quantity is multiplied to obtain the other in a proportional relationship.

Front

If 3 is the constant of proportionality, what is the equation for a proportional relationship?

Back

The equation would be y = 3x.

Front

How do you find the unit rate from a proportional relationship?

Back

The unit rate is found by dividing the total amount by the number of units, giving the amount earned per one unit.

Front

What does the graph of a proportional relationship look like?

Back

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

Front

If $500 is earned for every 8 hours worked, what is the unit rate?

Back

The unit rate is $62.50 per hour.

Front

Which equation represents a proportional relationship with a constant of 8?

Back

The equation is y = 8x.

Front

What is the meaning of the slope in a proportional relationship graph?

Back

The slope represents the constant of proportionality, indicating how much y changes for a unit change in x.

Front

If y = 0.4x, what is the constant of proportionality?

Back

The constant of proportionality is 0.4.