SOLUTION: Which of the following equations of a circle has a center of (3,-1) and radius of 5? The answer is one of the following. Which one? A) (x+3)^2 + (y-1)^2 = 25 B) (x-3)^2 +

Algebra ->  Circles -> SOLUTION: Which of the following equations of a circle has a center of (3,-1) and radius of 5? The answer is one of the following. Which one? A) (x+3)^2 + (y-1)^2 = 25 B) (x-3)^2 +       Log On


   

Question 1198629: Which of the following equations of a circle has a center of (3,-1) and radius of 5?
The answer is one of the following. Which one?
A) (x+3)^2 + (y-1)^2 = 25
B) (x-3)^2 + (y+1)^2 = 25
C) (x+3)^2 + (y-1)^2 = 5
D) (x+1)^2 + (y-3)^2 = 25
E) (x-3)^2 + (y+1)^2 = 5
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

the equation of a circle:
+%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2
a center of (+3,+-1) =>+h=3,+k=-1
and radius +r=5
+%28x-3%29%5E2+%2B+%28y-%28-1%29%29%5E2+=+5%5E2
+%28x-3%29%5E2+%2B+%28y%2B1%29%5E2+=+25

answer:
B)