Solve ax2 + bx + c = 0 by completing the square.

Algebra I
Section 10.7 – notes
Date: ____________________________________
Solving Quadratic Equations in the form ax 2 + bx + c = 0 using the Quadratic Formula
Solve ax 2 + bx + c = 0 by completing the square.
Quadratic Formula
Ex. 2 Solve each equation by using the quadratic formula:
a) 3x 2 + 4x − 8 = 0
b) x 2 + 6x = −9
c) −3x 2 − 5x − 2 = 0