Question

If a < b, then each of the following is true for all a and b except
(a) -a < the absolute value of b
(b) -a > -b
(c) -b^2 < a^2
(d) -a^2 < b^2
(e) 0 < -(a - b)

Answer 1

(c) -b^2 < a^2 . Since (-b)^2 = b^2
b^2 > a^2 .

Answer 2

oh i see thank you :)

Answer 3

You're welcome.