Question

Exercise: Evaluate the expressions for a = 2 and b = 6
(a + b)2

Answer 1

16

Explanation:

(2+6)2

2 TIMES 6 = 12

2 TIMES 2 = 4

12+4=16

Answer 2

16

Explanation:

Simply plug in 2 for a, then 6 for b and substitute

(2+6)2

Then do order of operations to simplify PEMDAS

First what's inside the parenthesis

(8)2

Then multiply

16.