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Equations of circles
Give center and radius
10
Mathematics
9th Grade
05/06/2008
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Term
x2 + y2 = 121
 Definition

center (0, 0)

radius = 11
Term
x2 + y2 = 24
 Definition

center ( 0, 0 )

radius = 2√6
Term
( x - 3 )2 + y2 = 18
 Definition

center ( 3, 0 )

radius = 3√2
Term
( x + 2 )2 + ( y - 4 )2 = 9
 Definition

center ( -2, 4 )

radius = 3
Term
( x + 1 )2 + ( y + 1 )2 = 225
 Definition

center ( -1, -1 )

radius = 15
Term
( x - 5 )2 + ( y + 6 )2 = 324
 Definition

center  ( 5, -6 )

radius = 18
Term
( x - 4 )2 + ( y - 5 )2 = 196
 Definition

center ( 4, 5 )

radius = 14
Term
x2 + 2x + 1 + y2 = 4
 Definition

center ( -1, 0 )

radius = 2
Term
x2 + y2 - 6y + 9 = 49
 Definition

center ( 0, 3 )

radius = 7
Term
x2 + 6x + 2 + y2 - 10y = 15
 Definition

center = ( -3, 5 )

radius = √47

 
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