Find the Center
Write the Equation
Change Forms
100

(x-2)+ (y-5) = 92, the center point is ...

(2, 5)

100

(y-3)+ (x-1)2 = 9, the radius of the circle is ...

3

100

The center is (1, -3) and the radius is 2

(x-1)+ (y+3)= 4

100

Change to general form: (x + 9)2 + (y - 2)2 = 64

x2 +y2 + 18x - 4y + 21 = 0

200

(x-3)+ (y-4)= 252, the center point is ...

(3, 4)

200

(y-5)+ (x-14)2 = 16, the radius of the circle is ...

4

200

The center is (2, -1) and the radius is 4

(x-2)+ (y+1)= 16

200

Change to general form: (x - 10)2 + (y -12)2 = 36

x2 + y2 - 20x - 24y + 208 = 0

300

(x-1)2 + (y-2)2 = 32, the center point of the circle is ...

(1, 2)

300

(y-1)+ (x-5)2 = 25, the radius of the circle is ...

5

300

The center is (1, -4) and the radius is 3

(x-1)+ (y+4)= 9

300

Change to general form: (x + 16)2 + (y + 7)2 = 1

x2 + y2 + 32x + 14y + 304 = 0

400

(x-2)+ (y+5)= 172, the center point is ...

(2, -5)

400

(y+7)+ (x +5)2 = 49, the radius of the circle is ...

7

400

The center is (0, 3) and the radius is √14

x+ (y-3)= 14

400

Change to standard form: x2 + y2 - 10x + 2y + 10 = 0

(x - 5)+ (y + 1)2 = 16

500

(x+8)+ (y+17)= 492, the center point of the circle is ...

(-8, -17)

500

x+ (y − 3)= 14, the radius of the circle is ...

√14

500

The center is (13, -13) and the radius is 4

(x − 13)+ (y + 13)= 16

500

Change to standard form:

x2 + y2 - 32x + 10y + 280 = 0

(x - 16)2 + (y + 5)2 = 1