Answer
The matrix has no inverse.
Work Step by Step
Since $ad-bc=(4)(2)-(-1)(-8)= 0$, then the matrix has no inverse.
Elementary Linear Algebra 7th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
1-13311-087-8
ISBN 13:
978-1-13311-087-3
Chapter 2 - Matrices - Review Exercises - Page 98: 16
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