What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1?
1 answer:
Answer:
Answer is option D) y=
Step-by-step explanation:
Quadratic graph with a focus and a directrix is a parabola as in the picture attached.
Now we assume a point (x,y) is given on the parabola.Focus of parabola be the point O(1,1) and the directrix y=(-1)
As we know that in a parabola distance OP is equal to the distance between P and directrix y=(-1)
Therefore OP = distance from directrix y = (-1)
=
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