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by sanju09 » Wed May 19, 2010 3:27 am
Which of the graphs below is the solution set of -3 x ≤ 12?


[spoiler]source: www.analyzemath.com[/spoiler]
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by indiantiger » Wed May 19, 2010 3:42 am
-3 x ≤ 12?

multiply -1 on both sides

3x > or = -12
x >=-4 (C)
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by gmatjedi » Wed May 19, 2010 3:42 am
divide each side by negative 3 and flip sign
so x is greater than or equal to negative 4
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