Practice Proportional Relationships

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 quantity is constant.

Front

What is the equation used to write a proportional relationship?

Back

y = kx

Front

What does k represent in the equation y = kx?

Back

k represents the constant of proportionality.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities.

Front

Which equation does NOT represent a proportional relationship?

Back

y = 5x - 7

Front

If y = kx, what happens to y when k increases?

Back

When k increases, y increases proportionally.

Front

If the constant of proportionality is 9, what is the equation of the proportional relationship?

Back

y = 9x

Front

How can you determine if two quantities are proportional?

Back

Two quantities are proportional if their ratios are equal.

Front

What is the graphical representation of a proportional relationship?

Back

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

Front

If x = 3 and k = 4, what is y in the equation y = kx?

Back

y = 12.