linear+and+non-linear

what does it mean to be linear? somthing makes a straight line on a graph, constant rate of change

what does it mean to be non-linear? does not make a straight line

graphs

tables

equations

quadratic=x2 in equation

cubic=x3 in equation, swishy thing

number divided by x= non-linear

exponential=one curve, 2x <-- exponent inverse= two curves, fraction.

exponetial happens when x is the exponent, not the actual number represented by x.