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, defined by the equation y = kx.

Front

Identify the constant of proportionality in the equation y = 3x.

Back

k = 3

Front

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

Back

k = 2

Front

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

Back

$6.80 per hour

Front

In the equation y = ½x, what is the constant of proportionality?

Back

k = 1/2

Front

If the constant of proportionality is k = 5, what is the equation relating x and y?

Back

y = 5x

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio or relationship to each other.

Front

Identify the constant of proportionality: k = 1/5, k = 2, k = 3, k = 4.

Back

k = 2

Front

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

Back

y = 12

Front

What is the unit rate if a car travels 150 miles in 3 hours?

Back

50 miles per hour