Answer:
A linear equation is an equation that in math. It is a line. Liner equations have no X2.
An example of a linear equation is x-2
A linear equation also equals y=mx+b. It has a slope and a y-intercept.
A non-linear equation is also an equation in math. It can have and x2 and it is not a line.
An example is y=x2+3x+4
Non linear equations can be quadratics, absolute value or expodentail equations.