SOLUTION: (x+4)2 + (y-5)2 = 15 2 the equation is a circle. what is the x-coordinate of the center of the circle? (the 2's are meant to be "squared')

Algebra ->  Coordinate-system -> SOLUTION: (x+4)2 + (y-5)2 = 15 2 the equation is a circle. what is the x-coordinate of the center of the circle? (the 2's are meant to be "squared')      Log On


   

Question 370615: (x+4)2 + (y-5)2 = 15 2 the equation is a circle. what is the x-coordinate of the center of the circle?
(the 2's are meant to be "squared')
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
a general equation of a circle is ___ (x - h)^2 + (y - k)^2 = r^2

this is a circle of radius, r , centered at (h,k)