If the endpoints of the diameter of a circle are (6, 3) and (2, 1), what is the standard form equation of the circle? A) (x + 4)2 + (y + 2)2 = 5 B) (x − 4)2 + (y − 2)2 = 5 C) (x + 4)2 + (y + 2)2 = 5 D) (x − 4)2 + (y − 2)2 = 5

Respuesta :

 ( )( ) 1 4 64 2 2 x + + y + = 2. ( ) 3 ( 1) 32 2 2 x − + y + = 3. Center (1, 1); radius 2 4. Center (0, -3); radius 7
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