Question

Evaluate a2 + b for a= 1/2 and b= -1/2

Answer 1

since a = 1/2 and b = -1/2,
1/2 x 2 = 1
+
-1/2 =

0.5 or 1/2

Answer 2

Explanation:

a^2 + b

(1/2)^2 - 1/2

1/4 - 1/2

1/4 - 2/4 = -1/4