Quadratics

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SAT Math: Advanced Math

x_{vertex} = - \frac{b}{2 a}

Work through it

$x = 3$

$y = 9 - 18 + 5 = - 4$

$x = 2$ or $x = 3$

The sign in $y = (x - 3)^{2}$ means a vertex at $x = - 3$ .

$(x - 3)$ is 0 at $x = 3$ .

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