Write the standard equation of the circle with center (-3, 5) and a diameter of 10.

A. (x + 3)^2 + (y – 5)*2 = 25
B. (x + 3)^2 + (y – 5)^2 = 100
C. (x – 5)^2+ (y + 3)^2 = 5
D. (x – 3)^2 + (y + 5)^2 = 85

Question

Write the standard equation of the circle with center (-3, 5) and a diameter of 10.

A. 	(x + 3)^2 + (y – 5)*2 = 25
B. 	(x + 3)^2 + (y – 5)^2 = 100
C. 	(x – 5)^2+ (y + 3)^2 = 5
D. 	(x – 3)^2 + (y + 5)^2 = 85

jdoe0001 · Answer

http://www.mathwarehouse.com/geometry/circle/images/equation-of-circle/general-formula-equation-of-circle.png

jdoe0001 · Answer

r = radius
diameter = 2r
so if the diameter is 10, the radius is half that

anonymous · Answer

c

jdoe0001 · Answer

x      y
(-3  ,   5)