Solve the problem.
-$x ^ { 2 } + ( y + 9 ) ^ { 2 } = 16$
A) (0,-9) ; 4
B) (0,9) ; 4
C) (-9,0) ; 16
D) (9,0) ; 16

Question

Solve the problem.
-$x ^ { 2 } + ( y + 9 ) ^ { 2 } = 16$
A)  (0,-9) ; 4 
B)  (0,9) ; 4 
C)  (-9,0) ; 16 
D)  (9,0) ; 16

Quizplus · Accepted Answer

This equation represents a circle with a center at (0, -9) and a radius of 4, as it can be rewritten in the standard form of a circle equation $(x - h)^2 + (y - k)^2 = r^2$, where (h, k) is the center and r is the radius. Here, $h = 0$, $k = -9$, and $r = \sqrt{16} = 4$.

Solve the Problem x2+(y+9)2=16x ^ { 2 } + ( y + 9 ) ^ { 2 } = 16x2+(y+9)2=16

Solve the Problem $x ^ { 2 } + ( y + 9 ) ^ { 2 } = 16$