Constant of Proportionality

Front

What does the 'k' represent in the equation y = kx?

Back

The constant of proportionality.

Front

What is the constant of proportionality, k, that relates y to x if y = 3x?

Back

3

Front

What is the point (0, 0) called in a coordinate system?

Back

The origin.

Front

If Kahory drives 164 miles in 4 hours, what is the constant of proportionality, k, in miles per hour?

Back

k = 41.

Front

What is the constant of proportionality, k, that relates y to x if y = (1/3)x?

Back

1/3

Front

In the equation y = kx, what does 'x' represent?

Back

The independent variable.

Front

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

Back

The dependent variable.

Front

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

Back

y = 10.

Front

If the constant of proportionality is 10, what is the value of y when x = 3?

Back

y = 30.

Front

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

Back

y increases or decreases at a constant rate as x increases or decreases.