0. Review of College Algebra

Solve the given quadratic equation using the square root property.

$2x^2-16=0$

Solve each quadratic equation using the zero-factor property. See Example 5.

9x² - 12x + 4 = 0

Solve the given quadratic equation using the square root property.

$\(\left\)(x-\(\frac\)12\(\right\))^2-5=0$

Solve each quadratic equation using the quadratic formula. See Example 7. x² - 2x - 2 = 0

CONCEPT PREVIEW Use choices A–D to answer each question.

A. 3x² - 17x - 6 = 0

B.(2x + 5)² = 7

C. x² + x = 12

D. (3x - 1) (x - 7) = 0

Which quadratic equation is set up for direct use of the square root property? Solve it.

Solve each quadratic equation using the square root property. See Example 6. x² = 16

Solve each quadratic equation using the square root property. See Example 6. x² - 27 = 0

Solve each quadratic equation using the zero-factor property. See Example 5. 4x² - 4x + 1 = 0

Solve each quadratic equation using the quadratic formula. See Example 7. 2x² - x - 28 = 0

Solve each quadratic equation using the quadratic formula. See Example 7.

-3x² + 6x + 5 = 0

Solve each quadratic equation using the zero-factor property. See Example 5. 25x² + 30x + 9 = 0

Solve each quadratic equation using the zero-factor property. See Example 5. 5x² - 3x - 2 = 0

Solve each quadratic equation using the quadratic formula. See Example 7. x² - 4x + 3 = 0

Solve each inequality. Give the solution set using interval notation. See Examples 8 and 9. 5x +2 ≤ -48