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OpenStudy (jenniferjuice):
♡ helping is nice ♡ please help me? ♡
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OpenStudy (jenniferjuice):
Derive the equation of the parabola with a focus at (2, −1) and a directrix of y = −one half.
OpenStudy (jenniferjuice):
ganeshie8 (ganeshie8):
start by finding the vertex
ganeshie8 (ganeshie8):
vertex lies exactly half way between `focus` and `directrix line`
OpenStudy (jenniferjuice):
between 2 and -1 ?
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ganeshie8 (ganeshie8):
|dw:1404308562509:dw|
OpenStudy (jenniferjuice):
0.5?
ganeshie8 (ganeshie8):
|dw:1404308599777:dw|
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