What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}?

5r \leq 6r-8

A. {5, 6, 7}
B. {8, 9, 10}
C. {5, 6, 7, 8}
D. {9, 10}

Answers

Hi there! The answer is B. Subtract 6r from both sides. Divide both sides of the inequality by -1. Remember that dividing by a negative makes the sign flip. Therefore, the solution must be bigger than or equal to 8. From the given solution set, the answer is B. {8, 9, 10} ~ Hope this helps you!


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