Constant of Proportionality

Front

A proportional relationship can be written as an equation in the form ____ = _____  _____

Back

y = kx

Front

What is the constant of proportionality, k, that relates y to x? (Example: If y = 9 when x = 1, what is k?)

Back

$9

Front

The point (0, 0) is called the origin. True or False?

Back

True

Front

In the equation y=kx, what does the k represent?

Back

Constant of proportionality

Front

What is the constant of proportionality, k, that relates y to x? (Example: If y = 2 when x = 1, what is k?)

Back

2

Front

If y = 4 when x = 2, what is the constant of proportionality, k?

Back

2

Front

What is the relationship between y and x in a proportional relationship?

Back

y is directly proportional to x.

Front

If k = 3, what is the value of y when x = 5? (Use the equation y = kx)

Back

y = 15

Front

What does it mean if two quantities are proportional?

Back

They have a constant ratio.

Front

If y = 6 when x = 3, what is the constant of proportionality, k?

Back

2