Answer
$22$
Work Step by Step
The determinant for a 2 by 2 matrix can be computed as: $Determinant (D)= \begin{vmatrix} a & b \\
c & d \\ \end{vmatrix}=ad-bc$
Therefore, $D=(6)(3) -(4)(-1) \\=18+4 \\=22$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 10 - Systems of Equations and Inequalities - Section 10.3 Systems of Linear Equations: Determinants - 10.3 Assess Your Understanding - Page 760: 7
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
