Algebra 1

by Hall, Prentice

Published by Prentice Hall

ISBN 10: 0133500403

ISBN 13: 978-0-13350-040-0

Chapter 12 - Data Analysis and Probability - Chapter Review - 12-1 Organizing Data Using Matrices - Page 775: 7

Answer

[-12.6 ... -4.62] [-12.6 .... 8.4] [4.2 ... -12.18]

Work Step by Step

You have the matrix: [3... 1.1] [3 .... -2] [-1 ... 2.9] Multiply each element by the scalar(-4.2): [3(-4.2)... 1.1(-4.2)] [3(-4.2) .... -2(-4.2)] [-1(-4.2) ... 2.9(-4.2)] New matrix: [-12.6 ... -4.62] [-12.6 .... 8.4] [4.2 ... -12.18]

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