Question: What is the discriminant of the quadratic equation 3x^2 + 6x + 2?

Options:

1. 0
2. 4
3. 12
4. 6

Correct Answer: 4

Solution:

The discriminant is given by b^2 - 4ac. Here, a = 3, b = 6, c = 2. Thus, discriminant = 6^2 - 4(3)(2) = 36 - 24 = 12.