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CBSE Class 11-science Answered

Find the equation of the parabola with focus (0,4) and directix y = -4.

Asked by Topperlearning User | 30 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 | 30 Apr, 2014, 01:29: PM
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