SOLUTION: Identify the type of conic section that has the equation 16x2 + 4y2 = 16 and identify its domain and range.

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Question 1035609: Identify the type of conic section that has the equation 16x2 + 4y2 = 16 and identify its domain and range.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Let us divide everything by 16...
16x%5E2+%2B+4y%5E2+=+16
x%5E2+%2B+y%5E2%2F4+=+1
This is an ellipse, taller than wide.
It's semi-major axis is 2 and semi-minor axis is 1.
Thus the domain is [-1, 1].
Its range is [-2, 2].