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for the roots of each equation. 55. 2r-5x² + 6 = 0 56. 2r3 - x2 - 5x + 3 = 57. 4x + 8x2 - 11x 15 = 0

for the roots of each equation. 55. 2r-5x² + 6 = 0 56. 2r3 - x2 - 5x + 3 = 57. 4x + 8x2 - 11x 15 = 0

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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! please solve question number 59
Use the theorem on bounds to establish the best integral bounds for the roots of each equation. 55. 2r-5x² + 6 = 0 56. 2x-x2- 5x + 3 = 0 57. 4x + 8x2 11x 15 0 | 58. 6x + 5x2 - 36x - 35 = 0 59, w - 5w3 + 3w2 + 2w - 1 = 0 | 60. 3z4 - 7z2 + 5 = 0 61. -2x + 5x2 – 3x + 9 = 0 62. -x + 8x – 12 = 0 Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to each equation. 63 x - 4x2 – 7x + 10 = 0
Transcribed Image Text:Use the theorem on bounds to establish the best integral bounds for the roots of each equation. 55. 2r-5x² + 6 = 0 56. 2x-x2- 5x + 3 = 0 57. 4x + 8x2 11x 15 0 | 58. 6x + 5x2 - 36x - 35 = 0 59, w - 5w3 + 3w2 + 2w - 1 = 0 | 60. 3z4 - 7z2 + 5 = 0 61. -2x + 5x2 – 3x + 9 = 0 62. -x + 8x – 12 = 0 Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to each equation. 63 x - 4x2 – 7x + 10 = 0
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