Question

explain the difference between a linear equation and a quadratic equation

Answer 1

linear has like x +2 = y
is linear
and \[x^2 + x +1 = y\] is quadratic

Answer 2

y=ax^2+bx+c is linear if a=0
is quadratic is a does not =0

Answer 3

on a graph linear is just a straight line and a quad is a parabola

Answer 4

Are we talking about equations or functions? There is an important difference.