Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 5 - Solving Systems of Linear Equations - 5.1 - Solving Systems of Linear Equations by Graphing - Monitoring Progress - Page 237: 5

Answer

$(2,1)$

Work Step by Step

The given system of linear equation is $2x+y=5$ ...... (1) $3x-2y=4$ ...... (2) Graph each equation. The intersection point is $(2,1)$. Check the intersection point. Equation 1: $\Rightarrow 2x+y=5$ $\Rightarrow 2(2)+1=5$ $\Rightarrow 4+1=5$ $\Rightarrow 5=5$ True. Equation 2: $\Rightarrow 3x-2y=4$ $\Rightarrow 3(2)-2(1)=4$ $\Rightarrow 6-2=4$ $\Rightarrow 4=4$ True. The solution is $(2,1)$.
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