Answer
See below.
Work Step by Step
Plugging in the values to the correct places: \[
\left[\begin{array}{rr}
1 & 5 \\
-1 &3 \\
\end{array} \right]
\]
As we can see, it is a $2\times2$ matrix.
Differential Equations and Linear Algebra (4th Edition)
by Goode, Stephen W.; Annin, Scott A.
Published by
Pearson
ISBN 10:
0-32196-467-5
ISBN 13:
978-0-32196-467-0
Chapter 2 - Matrices and Systems of Linear Equations - 2.1 Matrices: Definitions and Notation - Problems - Page 121: 3
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