Question

4x^2+9y^2-8x-18y-23=0 find the center of this ellipse

Answer 1

\[\frac{ (x-h)^2 }{ a^2 }+\frac{( y-k)^2 }{ b^2}\]

Answer 2

Thats the formula

Answer 3

\[\frac{ (x-h)^2 }{ a^2 }+\frac{( y-k)^2 }{ b^2}=1\]
now looks good

Answer 4

Yea

Answer 5

enjoy completing the square twice
raft of algebra

Answer 6

:(

Answer 7

I got 1,1

Answer 8

x's and y's now apply completing the square method for both parenthses