Constant of Proportionality

Front

How do you find the constant of proportionality for a graph?

Back

Pick a point on the line and use the formula y/x.

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant ratio between two variables, often represented as k.

Front

What does k represent in proportional relationships?

Back

k represents the constant of proportionality.

Front

How do you write the equation for a proportional table?

Back

Find k and plug it into the equation y = kx.

Front

How do you find the constant of proportionality for an equation?

Back

The constant of proportionality is the number in front of x.

Front

What is the formula for finding the constant of proportionality?

Back

The formula is k = y/x.

Front

If y = 45x, what is the constant of proportionality?

Back

The constant of proportionality is 45.

Front

In a proportional relationship, if x doubles, what happens to y?

Back

y also doubles.

Front

What is the graphical representation of a proportional relationship?

Back

A straight line that passes through the origin.

Front

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

Back

y = 2 * 5 = 10.