Question

Evaluate 3a + 5a2 when a = 2. Question 1 options: 26 44 484 106

Answer 1

Plug in 2 wherever you see 'a'

3(2) + 5(2)(2)

1. 3×2 = 6, so:

6 + 5(2)(2)

2. 5×2=10, 10×2=20, so:

6 + 20

The final answer is 26.