Question

B) Find the value of 2a2 + 5b2 when a = -6 and b = 2

Answer 1

Answer:-4

Explanation:

2(-6)2

2 x -6 x 2=-24

5 x 2 x 2=20

-24+20=-4

Answer 2

Answer: -4 because 2(-6)2 = -24 and 5(2)2 = 20 so -24 + 20 is -4.