Constant of Proportionality

Front

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

Back

The constant of proportionality, k, is a constant value that relates the two variables in a proportional relationship, expressed as y = kx.

Front

If Joshua types 84 words in 4 minutes, what is the constant of proportionality, k, in words per minute?

Back

k = 21 words per minute.

Front

Identify the constant of proportionality, k, that relates y to x if k = -0.45.

Back

k = -0.45 indicates a negative proportional relationship.

Front

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

Back

y = kx.

Front

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

Back

True.

Front

What does the constant of proportionality represent in a graph?

Back

It represents the slope of the line in a linear relationship.

Front

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

Back

k = 5.

Front

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

Back

'k' represents the constant of proportionality.

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the constant of proportionality for flour to sugar?

Back

k = 2/3.

Front

How do you find the constant of proportionality from a table of values?

Back

Divide the y-value by the corresponding x-value for any pair of values.