Anonymous Anonymous

28-10-2014
Mathematics

Answered

What is r-1-2r less than or equal to -2? I need to show my work also.

Verified Answer :

olemakpadu olemakpadu

28-10-2014

(r -1 -2r) <= -2. Simplify.

r -2r <= -2 +1.

-r <= -1. Divide both sides by -1 and reverse the sign. Recall in inequality
when you multiply or divide by negative, the inequality sign is
reversed.
r >= -1/-1

r >= 1.

That's it.

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