Equation of Circle, Parabola & Ellipse
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Find the equations of the following:
a) A circle where (4,-1) and (-6,6) are endpoints of a diameter.
b) A parabola with a focus at (3,4) and a directrix at x=-1.
c) An ellipse with vertices at (-2,5) and (-2,1) and a minor axis 2 units long.
Please see the attachment.
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Solution Summary
The solution provides step by step method for the calculation of equation of circle, parabola and ellipse. Formula for the calculation is also included.
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Please see the attachment.
Find the equations of the following:
a) A circle where (4,-1) and (-6, 6) are endpoints of a diameter.
Answer
We know that the centre of the circle is the mid-point of the diameter.
Therefore, mid-point of the diameter =
= (-1, 5/2)
Hence centre of the circle = (-1, 5/2)
Radius of the circle = the distance between the centre and one end point
=
...
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