Question

Find the center, vertices, and foci of the ellipse with the following equation:
x^2/9+y^2/16=1

centre is clearly (0,0)

a^=9 , b^2=16
so the major axis is along the y-axis
vertices: (0,4), (0,-4), (3,0), and (-3,0)

focal points:
c^2 + 3^2 = 4^2
c = ±√7

foci: (0,√7), and (0,-√7)

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