## Write a Formula

## Work Time

# Write a Formula

Choose one of the lines and write the formula of the line. Use *x* and *y* to name the variables.

## Hint:

Once you know the constant of proportionality, how can you use it to write the formula?

Choose one of the lines and write the formula of the line. Use *x* and *y* to name the variables.

Once you know the constant of proportionality, how can you use it to write the formula?