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SAT Math Practice: Solving Quadratic Equations Practice 01

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1. $x^2 +5x-6=0$

${2,3}$

${-2,3}$

${1,6}$

${-1,6}$

2. If $x^2-4x=32$ and $x \textgreater 0$ , what is the value of $x+7$ ?

$12$

$15$

$18$

$19$

3. If $x^2 +18x=144$ and $x \textgreater 0$ , what is the value of $x-4$ ?

$2$

$6$

$9$

$15$

4. $\sqrt{2x+11} = x-2$

${-7,1}$

${-1,7}$

${-1}$

${-7}$

5. $\sqrt{15-x} = 2x-2$

${-1,2.75}$

${-2.75,1}$

${-1}$

${2.75}$

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