Find the equation of the parabola with focus (0,4) and directix y = -4.
Asked by Topperlearning User
| 30th Apr, 2014,
11:29: AM
Expert Answer:
The focus lies on the y axis, so it is an upward or a downwoard parabola directix is y = -4. Hence it is an upward parabola x2 = 4ay.
Where a = 4 
Equation of the parabola is x2 = 4 
4 y = 16y.
x2 = 16y.
Answered by
| 30th Apr, 2014,
01:29: PM
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