Question

Evaluate:

(−1)(− 1)(− 1)(− 1)
--------------------
(− 1)
(a) -1
(b) 0
(c) 1
(d) 2

Answer 1

(a). C because -1•-1=1•-1=-1•-1=1

Answer 2

The numerator of the fraction is (+1).

So the whole fraction is 1 / -1 and that's -1 . (a)