Lemma
EasySystems
OpenStax, Algebra and Trigonometry 2e §11.3 Systems of Nonlinear Equations and Inequalities: Two Variables · Exercise 5 · Algebra · Systems

Systems of Nonlinear Equations and Inequalities: Two Variables · Exercise 5

When graphing an inequality, explain why we only need to test one point to determine whether an entire region is the solution?

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 · §11.3 Systems of Nonlinear Equations and Inequalities: Two Variables · Exercise 5

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.