Algebra II - Review for Q2 test

Find the solution to the equation:

x² + 6x + 3 = -2

• x = 5 or x = 1

• x = -5 or x = -1

• x = -5 or x = 1

• no solution

Solve: x² + 64 = 16x

• 16

• -16

• 8

• -8

 $x^{2\ }$  - 10x = 8

• 5

•  $5\ +\ \sqrt{33}$  or  $5\ -\ \sqrt{33}$  

• 18

• 3 +  $\sqrt{3}$  or  3 -  $\sqrt{3}$  

 $x^2$  + 14x - 7 = 8

• -15 or 1

• 15 or -1

• 15 or -15

• 1 or -1

 $3x^2$  - 12x - 56 = 7

• -7 or 3

• 3 or -3

• 7 or -7

• 7 or -3

Solve: x² – 18m + 31 = 6

• $9\ \pm2\sqrt{14}$

• $18\ \pm4\sqrt{19}$

• $9\ \pm\ 4\sqrt{14}$

• $18\ \pm2\sqrt{14}$

Which is the correct graph for:

y = -2x² - 16x - 33

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Which is the correct graph for:

y = x² - 2x - 1

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Which is the correct graph for:

y = - x²

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Which is the correct graph for:

y= x² + 3x + 6

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