Determine+if+a+line+is+quadratic+or+cubic.

=Quadratic and Cubic Functions =
 * Quadratic means x is square.
 * Cubic means that x is cubed.
 * Linear functions must have a constant rate of change.
 * Expedential means a line with one curve. X is the exponent of the number.
 * The factor of the direction of the parabala (curved line) is if the coefficient is negative or positive.