Write the equation in standard form for the circle x^2 + y^2 - 36 = 0

Anonymous
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Step 1: Recall the standard form of the circle
NOTE: A circle is the set of points in a plane that are the same distance
from a fixed point. The distance is the radius. The point is the center.
The equation of a circle in standard form is (x - h)^2 + (y - k)^2 = r^2 The center is (h,k). The radius is r.
Step 2: Convert the given equation into the standard form
NOTE: Make sure the terms with x^2 and y^2 are on
the left side of the equation and the constant is on the right.
EXAMPLE: x^2 + y^2 - 36 = 0
x^2 + y^2 = 36