Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 4 - Test - Page 330: 6

Answer

TRUE

Work Step by Step

Equation 1: $4x - 3y = 24$ Equation 2: $4x + 5y = -8$ To determine whether $(3, -4)$ is a solution of the system, we need to evaluate both equations: Equation 1: $$4x - 3y = 24$$ $$4(3) - 3(-4) = 24$$ $$12 + 12 = 24$$ $$24=24$$ $$TRUE$$ Equation 2: $$4x + 5y = -8$$ $$4(3) + 5(-4) = -8$$ $$12 -20 =-8$$ $$-8=-8$$ $$TRUE$$ Since point $(3,-4)$ satisfied both equations, therefore it is a solution of the system.
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