Question

Evaluate the expression below when x = 2.

3x2 - 2

x + 4

Answer 1

Kindly express your exponentiation properly: use the " ^ " symbol:

3x^2 - 2 correct

3x2 - 2 wrong

Answer 2

3x^2 - 2 is the given expression; replace that "x" with (2) and evaluate the resulting expression.

Answer 3

3*2^2

Answer 4

3*2^2 is fine, but you're not finished yet. What about that final "-2" in the original, given expression?

Answer 5

the answer is 10