The discriminant tells us important information about the roots of a quadratic equation. For ax^2 + bx + c = 0, discriminant = b^2 - 4ac. In 2x^2 + 2x - 7 = 0, a = 2, b = 2, and c = -7. Substituting gives (2)^2 - 4(2)(-7) = 60. Therefore, the correct answer is 60.