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Mathematics 14 Online
OpenStudy (anonymous):

Select the correct solution set. -7x ≥ 56 {x | x ≤ -8} {x | x ≥ -8} {x | x ≥ 8}

jimthompson5910 (jim_thompson5910):

-7x means -7 times x You want to isolate x. To do this, you undo the multiplication, so you divide both sides by -7

jimthompson5910 (jim_thompson5910):

whenever you multiply both sides of an inequality by a negative number, the sign will flip whenever you divide both sides of an inequality by a negative number, the sign will flip

OpenStudy (anonymous):

So is it the first one? @jim_thompson5910

jimthompson5910 (jim_thompson5910):

correct

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