Proportional Relationships and Equations

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 constant of proportionality in the equation y = kx?

Back

The constant of proportionality (k) is the factor by which one quantity is multiplied to obtain the other quantity.

Front

If y = 5x, what is the constant of proportionality?

Back

5

Front

How do you write a proportional relationship in equation form?

Back

A proportional relationship can be written in the form y = kx, where k is the constant of proportionality.

Front

What does the point (4, 2) represent in a proportional relationship?

Back

It means that for every 4 units of x, there are 2 units of y, indicating a proportional relationship.

Front

If the constant of proportionality is 10, what is the equation?

Back

y = 10x

Front

What is the equation for a proportional relationship if k = 8?

Back

y = 8x

Front

True or False: In a proportional relationship, if x doubles, y also doubles.

Back

True

Front

What is the graphical representation of a proportional relationship?

Back

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

Front

If y = 2x, what is the value of y when x = 5?

Back

y = 10.