college algebra word problem

Question

Identify the vertices and co-vertices of the ellipse.

x^2/49+y^2/25=1

Answer 1

5 and 7

sqr(49 and sqr(25) = 7 and 5

it's an ellipse centered at the origin

with endpoints (0,5), (0,-5) vertically, and

(7,0) and (-7,0) horizontally.