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CHAPTER 7 KEY FORMULAS AND EQUATIONS

Quadratic equation

a x^{2} + b x + c = 0

(7.1)

Quadratic formula

x = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a}

(7.4)

Vertex

(- \frac{b}{2 a}, f (- \frac{b}{2 a}))

(7.5)

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