Question

what on earth is the answer to this? |7-5|.... my choices were |7|-|5|, |7+5|, |7|+|-5|, and |5-7|

Answer 1

Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!

Answer 2

|x| is called the modulus of x. To evaluate this, you find x and then take its absolute (the same regardless of plus or minus sign) value. In your example: |7-5|=|2|=2=|-2|=|5-7|=7-5=|7|-|5|