How do you know whether an inequality has no solutions? How do you know whether the solutions are all real numbers?

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asked Jan 7, 2017 196k views

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Alan Fullmer · Answer 1 · 2017-01-12T12:44:22+0000

If you plug in a number that should be in the range of numbers what the equation can equal into the equation and it doesn't equal a number that is with-in the given range. Real numbers are basically any number that can be found on a number line.

How do you know whether an inequality has no solutions? How do you know whether the solutions are all real numbers?

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