   Chapter 9.4, Problem 23ES Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584

Solutions

Chapter
Section Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584
Textbook Problem

First try to solve the equation by factoring. If you are unable to solve the equation by factoring, solve the equation by using the quadratic formula. For equations with solutions that are irrational number, give exact solutions and approximate solutions to the nearest thousandth. y − 2 = y 2 − y − 6

To determine

To solve: The given equation by factoring or by using the quadratic formula and the solutions should be approximate to the nearest thousandth.

Explanation

Given:

y2=y2y6

Formula used:

x=b±b24ac2a

Calculation:

y2=y2y6y2y6y+2=0y22y4=0The quadratic formula is,y=b± b 2 4ac2ay=−</

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