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19. Describe the nature of the roots of the equation 4n² + 6n + 25. Explain.

19. Describe the nature of the roots of the equation 4n² + 6n + 25. Explain.

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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SEP 18 ☺ G E C B EXERCISES Solve each equation by completing the square. 12. z² - 2z - 24 = 0 13. p² - 3p- 88 = 0 15. d² - ³/2 d + 1 = 0 16.3g² - 12g = −4 26. What is the conjugate of -7 - i√5? 27. Name the conjugate of 5 - 2i. w.amc.glencoe.com/self_check_quiz > 1 18. What value of c makes x² - x + c a perfect square? 19. Describe the nature of the roots of the equation 4n² + 6n + 25. Explain. CONTENTS tv 0, Find the discriminant of each equation and describe the nature of the roots of th equation. Then solve the equation by using the Quadratic Formula. 20. 6m² + 7m - 3 = 0 21. s² - 5s +9=0 22.36d² - 84d + 49 = 0 23. 4x² - 2x + 9 = 0 24.3p² + 4p = 8 25. 2k² + 5k = 9 D MacBook Air Q Search 14. x² 10x + 21 = 0 17. t²3t-7=0 - Lesson 4-2 Quadratic Equations 219 W D 33. x°- ỵ- 5x² = x + 5 = U; 0da; 3 35. xº + 3x² + 4x + 12 = 0; odd; 1 37. x5 - 5x4 - 17x³ + 85x² + A O
Transcribed Image Text:SEP 18 ☺ G E C B EXERCISES Solve each equation by completing the square. 12. z² - 2z - 24 = 0 13. p² - 3p- 88 = 0 15. d² - ³/2 d + 1 = 0 16.3g² - 12g = −4 26. What is the conjugate of -7 - i√5? 27. Name the conjugate of 5 - 2i. w.amc.glencoe.com/self_check_quiz > 1 18. What value of c makes x² - x + c a perfect square? 19. Describe the nature of the roots of the equation 4n² + 6n + 25. Explain. CONTENTS tv 0, Find the discriminant of each equation and describe the nature of the roots of th equation. Then solve the equation by using the Quadratic Formula. 20. 6m² + 7m - 3 = 0 21. s² - 5s +9=0 22.36d² - 84d + 49 = 0 23. 4x² - 2x + 9 = 0 24.3p² + 4p = 8 25. 2k² + 5k = 9 D MacBook Air Q Search 14. x² 10x + 21 = 0 17. t²3t-7=0 - Lesson 4-2 Quadratic Equations 219 W D 33. x°- ỵ- 5x² = x + 5 = U; 0da; 3 35. xº + 3x² + 4x + 12 = 0; odd; 1 37. x5 - 5x4 - 17x³ + 85x² + A O
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