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18) Solve the quadratic equation: 2x² + x - 15 = 0 for x. a. 2.5 & 3 b. 0 c. -2.5 & 3 d. 2.5 & -3 e. -2.5 & -3

18) Solve the quadratic equation: 2x² + x - 15 = 0 for x. a. 2.5 & 3 b. 0 c. -2.5 & 3 d. 2.5 & -3 e. -2.5 & -3

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.1: Equations In Two Variables
Problem 17WE
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18) Solve the quadratic equation: 2x² + x - 15 = 0 for x. a. 2.5 & 3 b. 0 c. -2.5 & 3 d. 2.5 & -3 e. -2.5 & -3
Transcribed Image Text:18) Solve the quadratic equation: 2x² + x - 15 = 0 for x. a. 2.5 & 3 b. 0 c. -2.5 & 3 d. 2.5 & -3 e. -2.5 & -3
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