Quadratic Equations

Write the quadratic equation in standard form.

1. 6x = 5 - 2x²

2. 9 = 2(2x +4)²

Solve the equation by factoring.

3. 2y² - 5y -3 = 0

4. 12 - 15x² = 8x

^5.

6. y² - 8ay - 9a² = 0

Solve the equation by extracting square roots.

7. 4y² = 25

8. (y - 3)² = 10

Solve the equation by completing the square.

9. y² + 6y + 7 = 0

10. 9y² - 36y = -5

Solve the equation by using the quadratic formula.

11. 3x² + 2x -1 = 0

12. 4y - 2 = y²

^13.