# Quadratic Equations Quiz

## Problems

1. Solve for x: x² = 9.
2. Solve: x² - 16 = 0.
3. Solve: x² - 5x = 0.
4. Factor to solve: x² - 7x + 12 = 0.
5. Solve: 2x² - 8 = 0.
6. Solve using factoring: x² + 6x + 5 = 0.
7. Solve using quadratic formula: x² - 3x - 10 = 0.

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8. Solve: 2x² + x - 3 = 0.

2x² + x - 3 = 0.

9. Solve: 3x² - 10x + 7 = 0.

3x² - 10x + 7 = 0.

10. Solve: x² - 4x + 7 = 0.

x² - 4x + 7 = 0.

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## Answer Key

1. x = 3
2. x = 4
3. x(x - 5) = 0 ) x = 0; 5
4. (x - 3)(x - 4) = 0 ) x = 3; 4
5. 2x² = 8 ) x² = 4 ) x = 2
6. (x + 1)(x + 5) = 0 ) x = -1; -5
7. x = 5; -2
8. x = 1; -3/2
9. x = 2; 3
10. x = 2 ± i√3