help! how do you solve that...see picture please

Question

anonymous · Answer

attachment

anonymous · Answer

can someone explain me that step (one in green)  how do you get those answers?

anonymous · Answer

The Center is (-3,-2) I believe

anonymous · Answer

add, multiply??

anonymous · Answer

Oh sorry, I didn't see the comment

anonymous · Answer

(-2,-3) actually :) but thanks..and dnt worry its cool

anonymous · Answer

I'm not sure what you mean? You just subract or add k and a

anonymous · Answer

oh I mean why is there a comma?  what does it mean multiplication??

anonymous · Answer

the comma is just to separate the terms. you would multiply.

anonymous · Answer

still dont get it... (3+2,-2) ?????

campbell_st · Answer

if you look at the original equation 

(x + 3)^2/49     a = 7   and h = -3 

so -3 + 7 = 4

and -3 - 7 = -10

anonymous · Answer

no sorry I'm really confused...what would be the vertices of (x+2)^2/9 - (y+3)^2/4 ?

anonymous · Answer

anonymous · Answer

thanks