SOLUTION: For what values of k will the equation x^2 + 2kx + 16 = 0 have exactly one solution?

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Question 860320: For what values of k will the equation x^2 + 2kx + 16 = 0 have exactly one solution?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Discriminant, %282k%29%5E2-4%2A16=0