Question: What is the factored form of x^2 + 4x + 4?

Options:

1. (x + 2)(x + 2)
2. (x - 2)(x - 2)
3. (x + 4)(x + 1)
4. (x - 4)(x - 1)

Correct Answer: (x + 2)(x + 2)

Solution:

This is a perfect square trinomial. It factors to (x + 2)(x + 2) or (x + 2)^2.