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What is the equation of the circle pictured?

Explain your reasoning.

What is the equation of the circle pictured? Explain your reasoning.-example-1
User Pearce
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1 Answer

14 votes
14 votes

Answer:

(x+2)^2 + (y-4)^2 = 4^2

Explanation:

A circle is x^2 + y^2 = 1 , where r = 1

The radius of that circle looks to appear to be r = 4.

x^2 + y^2 = 4^2

Transition that circle origin from (0,0) to (-2,4)

The origin is (-2,4) which mean h = -2 left and k = 4 up.

(x-h)^2 + (y-k)^2 = 4^2

(x-(-2))^2 + (y-4)^2 =4^2

User Gurminder Singh
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