Asked by laura

write the equation of the ellipse that has its centre at the origin with focus (0,4) and vertex at (0,7)
Answered by Reiny
the major axis lies along the y-axis, so
a^2 + 4^2 = 7^2
a^2 = 33
a=√33

x^2/33 + y^2/49 = 1
Answered by John
please help me i don't understand
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