Question

GUYS PLEASE HELP!!

Evaluate the expression if a=2 and b= -4
a+b² =

20
18
10
-18

Answer 1

18

Explanation:

Given

a + b² ( substitute a = 2 and b = - 4 into the expression )

= 2 + (- 4)² = 2 + 16 = 18

Answer 2

Explanation:

Given -

1. a = 2
2. b = -4

To Find -

• Evaluate a² + b²

Then,

(2)² + (-4)²

= 4 + 16

= 20