See if you can match graphs of the circles to their equations below:

graph of a circle with radius 3 and center at the point (-2,1)

graph of a circle with radius 3 and center at the point (-1,-2)

graph of a circle with radius 3 and center at the point (-2,1)

graph of a circle with radius 3 and center at the point (-1,-2)

Match each equation to one of the graphs above. Click on the blank to see the answer.

(x – 1)2 + (y – 2)2 = 9    Graph

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Check Your Answer

(D) h = 1 and k = 2, so center is (1, 2)Close Pop Up

(x – 2)2 + (y – 1)2 = 9    Graph

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Check Your Answer

(C) h = 2 and k = 1, so center is (2, 1)Close Pop Up

(x + 1)2 + (y + 2)2 = 9    Graph

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(B) h = -1 and k = -2, so center is (-1, -2)Close Pop Up

(x + 2)2 + (y – 1)2 = 9    Graph

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Check Your Answer

(A) h = -2 and k = 1, so center is (-2, 1)Close Pop Up