Find the Center
Find the Radius
Make an Equation
100

What is the center point of the circle?

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

(2,5)

100

Find the radius of:

(x-2)2+(y-10)2=4

2

100

Center point: (0,0)

Radius: 3

x2+y2=9

200

What is the center point of the circle?

(x-8)2+(y-3)2=25

(8,3)

200

Find the radius of:

(x+9)2+(y-15)2=49

7

200

Center point: (2,7)

Radius: 5

(x-2)2+(y-7)2=25

300

What is the center point of the circle?

(x+3)2+(y-15)2=100

(-3,15)

300

Find the radius of:

(x+4)2+(y-2)2=42


√42

300

Make an equation for this circle:


(x+1)2+(y-3)2=16

400

What is the center point if the end points of the diameter are (3,0) and (0,-10)?

(3/2,-5)

400

Find the radius of this circle in simplest radical form: (x+3)2+(y+3)2=√40

2√10

400

Center point: (-25,12)

Diameter: 12

(x+25)2+(y-12)2=36

500

What is the center point if the end points of the diameter are (8,4) and (4,-6)?

(6,-1)

500

Find the radius of this circle in simplest radical form:

(x-10)2+(y+7)2=98

7√2

500

Make an equation such that the end points of the diameter are (10,0) and (-4,0).

(x-3)2+y2=49

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