Intermediate Algebra (12th Edition)

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

Chapter R - Test - Chapter R Test - Page 39: 10

Answer

19

Work Step by Step

We can use order of operations to perform the indicated operations. Step by step: $7-4^{2}+2(6)+(-4)^{2}=7-4^{2}+2(6)+(-4\times-4)=7-4^{2}+2(6)+16=7-(4\times4)+2(6)+16=7-16+2(6)+16=7-16+(2\times6)+16=7-16+12+16=-9+12+16=3+16=19$
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