Constant of Proportionality

Front

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

Back

The 'k' represents the constant of proportionality, multiplier, and scale factor.

Front

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?

Back

Each ice cream bar costs $2.45.

Front

Is the following table proportional? (Provide a sample table)

Back

No, the table is not proportional.

Front

What makes a graph proportional?

Back

A graph is proportional if it is a straight line that goes through the origin.

Front

Which of the following graphs is proportional? (Provide options A, B, C, D)

Back

All of the graphs are proportional.

Front

Define 'constant of proportionality'.

Back

The constant of proportionality is the constant value of the ratio of two proportional quantities x and y.

Front

What is the formula for finding the constant of proportionality?

Back

The formula is k = y/x.

Front

If y = 10 when x = 2, what is the constant of proportionality?

Back

The constant of proportionality k is 5.

Front

What does a proportional relationship look like on a graph?

Back

It appears as a straight line that passes through the origin.

Front

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

Back

y = 12.