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Example Problem Complete the square of ax 2 bx c = 0 to arrive at the Quadratic Formula Divide both sides of the equation by a, so that the coefficient of x 2 is 1 Rewrite so the left side is in form x 2 bx (although in this case bx is actually ) Since the coefficient on x is , the value to add to both sides is Write the left side as a binomial squaredThe Graph of y = ax2 bx c 393 Lesson 64 The Graph of y = ax2 bx c Lesson 6–4 2 BIG IDEA The graph of y = ax bx c, a ≠ 0, is a parabola that opens upward if a > 0 and downward if a Graphing Quadratic Functions Y Ax 2 Bx C All The Slides In This Quadratics Quadratic Functions Graphing Y=ax2+bx+c equation