Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 12 - Matrices - 12-2 Matrix Multiplication - Practice and Problem-Solving Exercises - Page 778: 33


$JH\text{ exists}$

Work Step by Step

The $row\times column$ dimension of matrix $J$ is $1\times2,$ while matrix $H$ is $2\times1$. Since the column dimension of $J$ (equal to $2$) is equal to the row dimension of matrix $H$ (equal to $2$), then the matrix product $ JH\text{ exists} .$
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