College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.1 - Page 527: 34

Answer

Infinitely many solutions

Work Step by Step

Simplify 9x - 3y = 12 $\frac{9x - 3y}{3}$ = $\frac{12}{3}$ 3x - y = 4 y = 3x - 4 This is equal to the other equation y = 3x - 4 Any solution on y = 3x - 4 would satisfy 9x - 3y = 12, and vice versa Therefore this system has infinitely many solutions
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