OpenStax, Elementary Algebra 2e §9.4 Multiply Square Roots · Exercise 83 · Algebra · Radicals & surds

Multiply Square Roots · Exercise 83

ⓐ Explain why $(- n)^{2}$ is always positive, for $n \geq 0$ .
ⓑ Explain why $- (n)^{2}$ is always negative, for $n \geq 0$ .

~8 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §9.4 Multiply Square Roots · Exercise 83

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.