Question: Which of the following is a solution to the equation 2x^2 - 8 = 0?

Options:

1. -2
2. 2
3. 4
4. 0

Correct Answer: 2

Solution:

First, add 8 to both sides: 2x^2 = 8. Then divide by 2: x^2 = 4. Taking the square root gives x = ±2. Thus, 2 is a solution.