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| Math Central | Quandaries & Queries |
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Question from Rebecca, a student: I have to write the following equation into standard form of an ellipse: 9(X-1)^2 + (Y+1)^2 = 1 As you know, standard form is in the following: (X)^2/a^2 + (Y)^2/b^2 = 1 If I decide both sides by nine then the one becomes 1/9. What do I do? Thank you! |
We have two responses for you
Rebecca,
What about
Harley
Hi Rebecca.
An ellipse that isn't centered at the origin has the form
(x-h)2/a2 + (y-k)2/b2 = 1
Where (h, k) is the center of the ellipse.
Cheers,
Stephen La Rocque.
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