OpenStax, Algebra and Trigonometry 2e §11.7 Solving Systems with Inverses · Exercise 1 · Linear Algebra · Matrices

Solving Systems with Inverses · Exercise 1

Find the determinant of the 2x2 matrices.

$[63 - 2 - 1]$

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §11.7 Solving Systems with Inverses · Exercise 1

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.