Question

5. Which equation of a circle is represented by the graph?

(Points : 1)
x2 + y2 = 16

(x 1)2 + (y 1)2 = 4

(x 1)2 + (y 1)2 = 2

(x 1)2 + (y 1)2 = 16
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Answer 1

(x+1)

(y-4)

18

Explanation:

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Answer 2

Formula is: ( x - p )² + ( y - q )² = r², where p and q are coordinates of a center of a circle, and r is for radius.
Equation of a circle is:
B) (x-1)² + (y-1)² = 4