3. a circle can also be represented in its general form which is written as
4. for a circle to exist, radius is
and coefficients of
x?and y?should not be equal to
5. given the coordinates of the center and any other point on the circle, the
length of the radius can be computed
by
using
the
6. to write the equation of a circle, the two necessary parts must be obtained:
(a)
and (b)
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Answer:
3. Ax² + By² + Cx + Dy + E = 0
4. real, one
5. distance formula
6. center, radius