precalc

For each:
a) Identify the ellipse as horizontal or vertical
b) Give the coordinates of
1) The center
2) The major vertices
3) The minor vertices
4) The foci

1) [(x+4)2/64] + (y2/100) = 1
2) [(x-1)2 / 36] + [(y+3)2 / 25] = 1

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  1. #1 vertical because y's denominator is greater.
    center: (-4,0)
    a = 10
    b = 8
    c = 6
    I give the semi-major axes and focal distance. You can easily convert yo coordinates.

    Do #2 similarly

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