CaitlinAnn9301 CaitlinAnn9301

07-02-2018
Mathematics

contestada

Can you take the square root of both sides of an inequality

Respuesta :

Aldrich Aldrich

07-02-2018

Hi there!

Since square roots are non-negative, Inequality is only meaningful if both sides are non-negative. Hence, squaring both sides was indeed valid.

Similarly, applying a decreasing function toboth sides of an in- equality will reverse it.

Cheers!

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