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Teacher :
Date :
Score :
Math-Aids.Com
Properties of Circles
Properties of Circles
Identify the center and radius of each equation.
1)
(x - 11)
2
+ (y + 2)
2
= 4
2)
(x -
11
2
__
)
2
+ (y -
5
2
_
)
2
=
25
4
__
3)
(x + 5)
2
+ (y - 9)
2
= 100
4)
(x +
9
2
_
)
2
+ (y -
3
4
_
)
2
=
121
4
___
5)
(x +
^
V
/
13
___
)
2
+ (y +
^
V
/
6
__
)
2
= 11
6)
(x -
5
2
_
)
2
+ (y -
2
3
_
)
2
=
225
4
___
7)
(x - 2)
2
+ (y - 4)
2
= 121
8)
(x -
^
V
/
11
___
)
2
+ (y -
^
V
/
6
__
)
2
= 7
9)
(x -
^
V
/
14
___
)
2
+ (y +
^
V
/
2
__
)
2
= 14
10)
(x - 2)
2
+ (y + 10)
2
= 16
