Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 10 - Section 10.4 - The Algebra of Matrices - 10.4 Exercises - Page 720: 11

Answer

From left to right by row: $3, 6$ (row 1) $12, -3$ (row 2) $3, 0$ (row 3)

Work Step by Step

The given matrix operation is possible because it is being multiplied by a scalar, therefore, nothing prevents this from being completed. Each number is multiplied by positive three.
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