Question 646603
Put the equation in standard form for an ellipse.
9x^2-54x+4y^2+8y=-49
complete the squares
9(x^2-6x+9)+4(y^2+2y+1)=-49+81+4
9(x-3)^2+4(y+1)^2=36
equation in standard form:
{{{(x-3)^2/4+(y+1)^2/9=1}}}
This is an equation of an ellipse with vertical major axis and center at(3,-1)