True or False: Every quadratic (2nd degree) polynomial with real coefficients has at least one real zero.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.5: Zeros Of Polynomial Functions
Problem 80E
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  1. True or False: Every quadratic (2nd degree) polynomial with real coefficients has at least one real zero.

 

  1. True or False: Every cubic (3rd degree) polynomial with real coefficients has at least one real zero.

 

  1. Find all zeros (real and nonreal) of P(x) = 2x3 – x2 – 3x – 6.

 

 

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