SOLUTION: What is the equation of the directrix of a parabola defined by the equation y = x2 − 2x − 3

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Question 739194: What is the equation of the directrix of a parabola defined by the equation
y = x2 − 2x − 3
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
directrix | y = -17/4