Question

Will medal!!!

Solve |x| > -9.

{x | x < -9 or x > 9}
all reals
no solution

Answer 1

This is an eyeball problem. Just look at it and write down the answer. Don't waste a moment calculating or manipulating.

|x| MUST NOT be negative
-9 IS negative
Can't be done. No solution.
Done!

Answer 2

Thank you