Question

For what value(s) of x is |x|-x=0?

a) x<=0
b) x=0 only
c) x>=0
d) no values of x

Answer 1

ADD x to both sides, first and tell me what you get after doing so.

Answer 2

What happens when \(x=-1, x=0,x=1\)?

Answer 3

Well, if you add x to both sides you'd get |x| = x?

Answer 4

@wio heres my work

Answer 5

So is A, B, and C all correct?

Answer 6

@SolomonZelman

Answer 7

you made an error on your work for choice A

|-1| is NOT equal to -1

Answer 8

oh.... right!

Answer 9

Absolute value is never negative. Absolute value represents distance so it doesn't make sense to have negative distance.