SOLUTION: Which is the equation of an ellipse centered at the origin with foci on x-axis, major axis of length 12 and minor axis of length 8?
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Question 1117521: Which is the equation of an ellipse centered at the origin with foci on x-axis, major axis of length 12 and minor axis of length 8?
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
Standard equation of an ellipse with horizontal major axis and center at (h,k):
a is the semi-major axis; b is the semi-minor axis.
In your problem the center is the origin, so h and k are both 0; the major axis is 12 so a=6, and the minor axis is 8 so b = 4. Then the equation is
or just
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