Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 3 - Section 3.1 - Systems of Linear Equations in Two Variables - 3.1 Exercises - Page 227: 35


The system has dependent equations.

Work Step by Step

The first equation is already solved for $y$, then we have to substitute this expression into the second equation: $y=2x$ Second equation: $4x-2(2x)=0$ $0=0$ The system has dependent equations. Therefore, there is infinite solutions.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.