Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 3 - Section 3.1 - Systems of Linear Equations in Two Variables - Concept and Vocabulary Check - Page 189: 7

Answer

Fill in the blanks are. infinitely many solution. dependent. coincide.

Work Step by Step

The given two equations are $ x=3y+2 $ ... (1) $ 5x-15y=10 $ ... (2) Substitute the value of $ x $ from equation (1) to equation (2). $ 5(3y+2)-15y=10 $ clear the parentheses. $ 15y+10-15y=10 $ $ 10 = 10 $ The solution set is infinitely many solutions. The equations are called dependent. In the graph we obtain two coincided lines.
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