Answer
Answers vary.
Work Step by Step
Consider the quadratic formula. If the discriminant is 0, then the quadratic formula simplifies to:
$$ \frac{-b}{2a}$$
Thus, we see that there is only one solution.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.