Question

Can somebody explain why my solutions manual says 1 squared = 1, instead of |1|?

Answer 1

because
\[1^2=1\times 1=1\]

Answer 2

But -1 times -1 also equals 1

Answer 3

-.-=+
+.+=+

either way you get a +

Answer 4

do you mean x^2 = 1 ?

Answer 5

no, 1 squared

Answer 6

oh, wait, I just got it, thanks. :P

Answer 7

1^2 can only produce a single value; and that value is 1