Question 943809

{{{x^2 +4y^2 -2x -32y - 35 = 0}}}  in standard form equation ellipse


{{{(x^2 -2x )+4(y^2-8y)  =35}}} ...complete squares


{{{(x^2 -2x+1 )-1+4(y^2-8y+16) -4*16 =35}}}


{{{(x -1 )^2-1+4(y-4) ^2-64 =35}}}


{{{(x -1 )^2+4(y-4) ^2 =35+64+1}}}


{{{(x -1 )^2+4(y-4) ^2 =100}}}


{{{(x -1 )^2/100+4(y-4) ^2/100 =100/100}}}


{{{(x -1 )^2/100+(y-4) ^2/25 =1}}}