Identify the Center
Identify the Radius
Identify the Center and Radius
Writing Equations 1
Writing Equations 2
100

Identify the center of the circle given the equation:

(x - 1)2 + (y - 9)2 = 100

( 1 , 9 )

100

Identify the radius of the circle given the equation:

(x - 5)2 + (y + 3)2 = 9

3

100

Identify the center and radius of the circle given the equation:

(x - 2)2 + (y - 3)2 = 16

Center: ( 2 , 3 )

Radius: 4

100

Write the equation of a circle given: 

Center: ( 3 , 5 )

Radius: 6

(x - 3)2 + (y - 5)2 = 36

100

Write the equation of a circle given: 

Center: ( - 3 , 0 )

Radius: 7

(x + 3)2 + y2 = 49

200

Identify the center of the circle given the equation:

(x + 7)2 + (y - 1)2 = 17

( - 7 , 1 )

200

Identify the radius of the circle given the equation:

(x + 7)2 + (y - 1)2 = 16

4

200

Identify the center and radius of the circle given the equation:

(x - 10)2 + (y + 5)2 = 9

Center: ( 10 , - 5 )

Radius: 3

200

Write the equation of a circle given: 

Center: ( 1 , 9 )

Radius: 5

(x - 1)2 + (y - 9)2 = 25

200

Write the equation of a circle given: 

Center: ( 0 , - 7 )

Radius: 10

x2 + (y + 7)2 = 100

300

Identify the center of the circle given the equation:

(x - 5)2 + (y + 3)2 = 9

( 5 , - 3 )

300

Identify the center of the circle given the equation:

(x - 5)2 + (y + 3)2 = 25

5

300

Identify the center and radius of the circle given the equation:

(x + 1)2 + (y + 9)2 = 144

Center: ( - 1 , - 9 )

Radius: 12

300

Write the equation of a circle given: 

Center: ( 4 , - 7 )

Radius: 1

(x - 4)2 + (y + 7)2 = 1

300

Write the equation of a circle given: 

Center: ( - 1, 0 )

Radius: 12

(x + 1)2 + y2 = 144

400

Identify the center of the circle given the equation:

(x + 4)2 + (y - 2)2 = 29

( - 4 , 2 )

400

Identify the radius of the circle given the equation:

(x - 5)2 + (y + 3)2 = 100

10

400

Identify the center and radius of the circle given the equation:

x2 + (y + 4)2 = 100

Center: ( 0 , - 4 )

Radius: 10

400

Write the equation of a circle given: 

Center: ( - 2 , - 4 )

Radius: 16

(x + 2)2 + (y + 4)2 = 256

400

Write the equation of a circle given: 

Center: ( 0 , 0 )

Radius: 9

x2 + y2 = 81

500

Identify the center of the circle given the equation:

x2 + y2 = 25

( 0 , 0 )

500

Identify the radius of the circle given the equation:

x2 + y2 = 75

√75

500

Identify the center and radius of the circle given the equation:

x2 + y2 = 20

Center: ( 0 , 0 )

Radius: √20

500

Write the equation of a circle given: 

Center: ( 0 , 0 )

Radius: √19

x2 + y2 = 19

500

Write the equation of a circle given: 

Center: ( 0 , 0 )

Radius: √15

x2 + y2 = 15

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