In Exercises, (a) find the discriminant b2 - 4ac, and then determine whether one real-number solution, two

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In Exercises, (a) find the discriminant b2 - 4ac, and then determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist; and (b) solve the equation, finding exact solutions and approximate solutions rounded to three decimal places, where appropriate.
1. x2 - 3x - 5 = 0
2. 4x2 - 12x + 9 = 0
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College Algebra Graphs and Models

ISBN: 978-0321845405

5th edition

Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna

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