Name: _____________________________________ Algebra I Honors Date: ___________________________ Bell: ______ Unit 8: Quadratic Equations Quiz 8-3: Solving Quadratics Equations (All Methods) SOLVE BY FACTORING, SQUARE ROOTS, or QUADRATIC FORMULA 1. x2 – 6x + 5 = 0 2. x2 – 10x = 4 != −$ ± √$' − ()* ') Answers 1. ____________________ 2. ____________________ 3. 4x2 = 81 4. 4x2 – 3x – 18 = x2 3. ____________________ 4. ____________________ 5. ____________________ 6. ____________________ 7. ____________________ 5. -x2 = 9x + 16 6. 2x2 + 3x = 2 8. ____________________ 9. ____________________ 10. ____________________ 7. 2 2 x − 8 = 46 3 9. 6x2 + 12x = 5x + 3 8. 6x2 – 14x = 0 10. 5x2 – 11 = 84 © Gina Wilson, 2013
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