Question

Solve |x|>5

{-5, 5}
{x|-5< x< 5}
{x|x< -5 or x> 5}

Answer 1

@SACAPUNTAS do you know this?

Answer 2

You know what |x| means, right?

Answer 3

Its absolute value right?

Answer 4

As in x= -x or x?

Answer 5

Correct.
So that essentially means x > 5, ignoring the sign.

Answer 6

oh ok

Answer 7

You can also think of it as
\[x > 5 \\ -x > 5\]
And to solve the second one, you have to reverse the inequality because you're dividing by a negative.
\[x > 5 \\ x < -5\]

Answer 8

Ok thats what i was trying to say. I got that so far

Answer 9

Then you have the answer. :D

Answer 10

Thanks:) your really helpful