Question: What is the value of k if the equation 2x^2 + kx + 3 = 0 has one solution?
Options:
Correct Answer: -4
Solution:
For one solution, the discriminant must be zero: k^2 - 4(2)(3) = 0. Thus, k^2 = 24, so k = ±√24 = ±2√6. The integer value is -4.