Question

Which of the following solution sets is all real numbers?


|x| > -2
|x| = -2
|x| < -2

Answer 1

Hint: The absolute value of any number cannot be negative

Answer 2

So, which one could you plug in ANY number for x...and it would be true.

Answer 3

Recall that |x| has the range \(|x|\geq 0\). So what is the appropriate answer? :-)

(Edit: Ninja'd)

Answer 4

would it be the third one?

Answer 5

err, I mean first

Answer 6

correct

Answer 7

Ok, that's better. Yes.

Answer 8

the first?

Answer 9

Yes, the first. :-)