Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 9 - Systems and Matrices - Chapter 9 Test Prep - Review Exercises - Page 951: 4

Answer

The system of equations has infinitely many solutions.

Work Step by Step

The system of equations are written as: $\dfrac{x}{6}+\dfrac{y}{3}=8 ~~~(1) \\ \dfrac{x}{4}+\dfrac{y}{2}=12 ~~~(2)$ Multiply Equation -(1) by $6$ and equation-2 by 4 to get: $x+2y=48~~~~(3)\\ x+2y=48~~~~(4)$ Subtract equations (3) from (4), so we get: $0=0 $ This implies that the system of equations has infinitely many solutions.
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