Question 168945
1. {{{(x-0)^2/7^2 + (y-1)^2/4^2 = 1}}}



2. factoring __ 36(x^2-10x)-25(y^2+4y)=100


completing the squares __ 36(x^2-10x+25)-25(y^2+4y+4)=100+(36*25)-(25*4)


36(x-5)^2 - 25(y+2)^2 = 900


dividing by 900 __ {{{(x-5)^2/5^2 - (y+2)^2/6^2 = 1}}} __ this is a hyperbola