SEE EXAMPLE 1 Solve each equation. p. 341 L 2. (x – 2)² = 16 3. x- 10x + 25 = 16 4. x- 2x + 1 3 SEE EXAMPLE2 Complete the square for each expression. Write the resulting expression as a binomial squared. 5. x + 14x + p. 342 6. x- 12x + 7. x² - 9x + SEE EXAMPLE 3 Solve each equation by completing the square. p. 343 8. x - 6x= -4 9. x + 8 = 6x 10. 2x - 20xr = 8 %D %3D 11. x=24- 4x 12. 10x + x 42 13. 2x+ 8x-15 0 %D SEE EXAMPLE 4 Write each function in vertex form, and identify its vertex. P. 344 14. f(x) = x² + 6x - 3 15. g(x) = x² - 10x + 11 16. h(x) = 3x² - 24x + 53 %3D 17. f(x) = x² + 8x- 10 18. g(x) = x² -3x + 16 19. h(x) = 3x - 12x-4 %3D

SEE EXAMPLE 1 Solve each equation. p. 341 L 2. (x – 2)² = 16 3. x- 10x + 25 = 16 4. x- 2x + 1 3 SEE EXAMPLE2 Complete the square for each expression. Write the resulting expression as a binomial squared. 5. x + 14x + p. 342 6. x- 12x + 7. x² - 9x + SEE EXAMPLE 3 Solve each equation by completing the square. p. 343 8. x - 6x= -4 9. x + 8 = 6x 10. 2x - 20xr = 8 %D %3D 11. x=24- 4x 12. 10x + x 42 13. 2x+ 8x-15 0 %D SEE EXAMPLE 4 Write each function in vertex form, and identify its vertex. P. 344 14. f(x) = x² + 6x - 3 15. g(x) = x² - 10x + 11 16. h(x) = 3x² - 24x + 53 %3D 17. f(x) = x² + 8x- 10 18. g(x) = x² -3x + 16 19. h(x) = 3x - 12x-4 %3D

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter9: Quadratic Equations And Functions

Section: Chapter Questions

Problem 547PT: Model the situation with a quadratic equation and solve by any method. 547. The length of a diagonal...

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