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Mathematics 8 Online
OpenStudy (anonymous):

Can someone check my answers for these inequalities?

OpenStudy (anonymous):

OpenStudy (anonymous):

Any help would be greatly appreciated.

OpenStudy (unklerhaukus):

1.\[\frac x{-2}-8\leq-2\\ \frac x{-2}\leq-2+8\\ \frac x{-2}\leq6\\ x\geq6\times-2\qquad\text{when multiplying by a negative}\\ \qquad\qquad\qquad\text{the direction of inequality changes}\\ x\geq-12\]

OpenStudy (unklerhaukus):

(so the first one (1.), is not C)

OpenStudy (anonymous):

Ohhhh. I was so confused on that one haha

OpenStudy (anonymous):

So it's D? My book didn't teach me any of this and I have a huge test on Monday, and I need this turned in by 12 so I'm super confused omg

OpenStudy (unklerhaukus):

When is it \(\leq\), or \(\geq\), the circle has to be filled in, whereas if it is \(<\) or \(>\), the circle is empty

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