SOLUTION: how long is the minor axis for the ellipse shown? ((x+4)^2/81)+((y-1)^2/36)=1

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: how long is the minor axis for the ellipse shown? ((x+4)^2/81)+((y-1)^2/36)=1      Log On


   

Question 1127174: how long is the minor axis for the ellipse shown? ((x+4)^2/81)+((y-1)^2/36)=1
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%2B4%29%5E2%2F81%2B%28y-1%29%5E2%2F36=1 ->compare to %28x-h%29%5E2%2Fa%5E2%2B%28y-k%29%5E2%2Fb%5E2=1
and you see that h=-4,k=1,a=9, and b=6
recall: the length of the major axis is 2a and the length of the minor axis is 2b
minor axis length is 2b=12