What is the equation of a circle with a center located at (4, -1) and a radius of 9?
1 answer
Question:
What is the equation of a circle with a center located at (4, -1) and a radius of 9?
Answers
Answer:(x-4) ^2 + (y+1)^2 = 81 Step-by-step explanation:The equation of a circle is given by(x-h) ^2 + (y-k)^2 = r^2 where (h,k) is the center and r is the radius(x-4) ^2 + (y--1)^2 = 9^2(x-4) ^2 + (y+1)^2 = 81
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