SOLUTION: write the equation in standard form for an ellipses 4x^2+9y^2-8x+72y+4=0

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Question 255468: write the equation in standard form for an ellipses 4x^2+9y^2-8x+72y+4=0
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2+9y^2-8x+72y+4=0
Ellipse Equation
(x-h)^2/a^2 + (y-k)^2/b^2 = 1
4x^2-8x+9y^2+72y=4
4(x^2-2x+1) +9(y^2-8y+16)=152
4*(x-1)^2+9(y-4)^2=152
(x-1)^2/38+9/152*(y-4)^2=1