Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 3 - Section 3.1 - Systems of Two Equations in Two Unknowns - Exercises - Page 185: 18

Answer

The solution of the system of equations is approximately the ordered pairs x,y: $(1.2,.2)$

Work Step by Step

By looking at graph, the solution of the system of equations is approximately the ordered pairs x,y: $(1.2,.2)$. If we want to check the solution, we can substitute this point into the equations: 1) $0.2x+4.5y=1$ 1) $0.2(1.2)+4.5(.2)=0.24+0.9=1.14\approx1$ 2) $1.5x+1.1y=2$ 2) $1.5(1.2)+1.1(.2)=1.8+0.22=2.02\approx2$ The solution of the equation is approximately the ordered pairs x,y: $(1.2,.2)$
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