Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

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: 8



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, $D=(8)(2) -(4)(-3) \\=16+12 \\=28$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.