Question

Evaluate 3x2 - 1 when x = 2.

ОА. 3
Ов. 5
C.11 D.35

Answer 1

Answer:C or 11

Explanation:

3x²-1

First you insert x... which is 2

3(2)²-1

then you square the 2. (multiply it by itself)

3(4)-1

Then you multiply 3 by 4 to get 12

12-1

And then you subtract for your answer

11