Completing The Square Of Circles Classwork

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NAME:____________________________________________
DATE:_________
Algebra 2/Trig – Completing the Square of Circles CLASSWORK
PERIOD:_______
Let's review what we already know about circles.
A circle
Definition:
is a locus (set) of points in a plane equidistant from a fixed point.
Circle whose center is at (h,k)
Circle whose center is at the origin
(This will be referred to as the
"center-radius
form".
It may also be referred to as
"standard
form".)
Equation:
Equation:
Example:
Circle with center (0,0), radius 4
Example:
Circle with center (2,-5), radius 3
Graph:
Graph:
REGENTS QUESTION
Write an equation of the circle shown in the graph below.

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