Question

Solve the system of equations y=3x y=x^2-18

Answer 1

x=-3 , x=6

so

y=-9 or y=18

Answer 2

Point Form:

(6,18), (-3,-9)

Equation Form:

x=6, y=18

x=-3, y=-9

Explanation:

Solve for the first variable in the first equation, then substitute the result into the other equation.