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Write the standard equation for the circle whose center is at ​(6​,2​) and whose radius is 2.

1 Answer

1 vote

Answer:


(x - 6)^2 + (y - 2)^2 = 2^2.

Explanation:

In general, let
(a,\, b) denote the center of a given circle. Let
r denote the radius of that circle. The standard equation for that circle would be:


(x - a)^2 + (y - b)^2 = r^2.

The circle in this question is centered at
(6,\, 2).


  • 6 is the
    x-coordinate of the center of this circle.
    a = 6.

  • 2 is the
    y-coordinate of the center of this circle.
    b = 2.

The radius of this circle is
2. Therefore,
r = 2.

Hence, the standard equation for this circle would be:


(x - 6)^2 + (y - 2)^2 = 2^2.

User Teastburn
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