A linear function is one whose formula can be written in the form
Ax + By = C where A, B, C are real numbers and A, B are not both 0. (This is standard form, too.)
"Cross multiply."
Subtract 12.
Subtract 2y.
This matches up with standard form with A = 3, B = -2, C = -20.
It's a linear function.
Ax + By = C where A, B, C are real numbers and A, B are not both 0. (This is standard form, too.)
"Cross multiply."
Subtract 12.
Subtract 2y.
This matches up with standard form with A = 3, B = -2, C = -20.
It's a linear function.