Please answer the following questions (i): Are −3 and −2 solutions to x2 – x – 12 ≤ 0? (ii): − x2 + 4x + 5 ≥ 0 (iii): (a) The discriminant is always less than 0 in quadratic inequalities True/False
Please answer the following questions (i): Are −3 and −2 solutions to x2 – x – 12 ≤ 0? (ii): − x2 + 4x + 5 ≥ 0 (iii): (a) The discriminant is always less than 0 in quadratic inequalities True/False
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section: Chapter Questions
Problem 15CC
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Please answer the following questions
(i): Are −3 and −2 solutions to x2 – x – 12 ≤ 0?
(ii): − x2 + 4x + 5 ≥ 0
(iii): (a) The discriminant is always less than 0 in quadratic inequalities True/False
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