SOLUTION: What is the correct standard equation of a circle with center (-4, 0) and radius 9?
(x + 4)2 + y2 = 81
(x - 4)2 + y2 = 9
(x + 4)2 + y2 = 3
(x - 4)2 + y2 = 3
(x + 4)2 + y2 =
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Question 1194119: What is the correct standard equation of a circle with center (-4, 0) and radius 9?
(x + 4)2 + y2 = 81
(x - 4)2 + y2 = 9
(x + 4)2 + y2 = 3
(x - 4)2 + y2 = 3
(x + 4)2 + y2 = 9
(x - 4)2 + y2 = 81
Found 2 solutions by MathLover1, Alan3354:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
standard equation of a circle is:
where and are coordinates of a center, is a radius
if center is at (, ), means and
and radius
then we have
=> your answer
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What is the correct standard equation of a circle with center (-4, 0) and radius 9?
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is a circle with its center at (h,k) and radius r.
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