Lemma
EasyDeterminants
OpenStax, Intermediate Algebra 2e §4.6 Solve Systems of Equations Using Determinants · Try It 1 · Linear Algebra · Determinants

Solve Systems of Equations Using Determinants · Try It 1

Evaluate the determinant of ⓐ ⓑ

~5 minWritten answer · check your work with Lemma

OpenStax, Intermediate Algebra 2e · §4.6 Solve Systems of Equations Using Determinants · Try It 1

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.