10.The center of a circular sunflower with a diameter of 4 centimeters is (-2,1).?

Which equation represents the sunflower?


A) (x+2)^2 +(y-1)^2 =4 B) (x-2)^2 +(y+1)^2 =2


C) (x-2)^2 +(y-1)^2 =4 D) (x+2)^2 +(y-1)^2 =2


explain answer

10.The center of a circular sunflower with a diameter of 4 centimeters is (-2,1).?
The equation for a circle is:


(x-h)^2 + (y-k)^2 = r^2


where h = the x value of the center...


k = the y value of the center


and r = the radius





so


h = -2


k = 1


r = 2


(x-(-2))^2 + (y-(1))^2 = (2)^2


simplifies to


A (x+2)^2 + (y-1)^2 = 4^2