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Completing the square to find the center and radius?
don't really remember how to do it so here it is:
x^2 + 6x + y^2 - 2x = 6
center is (-3,1); radius = 4
i need the process/steps on how to do it
2 Answers
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- ComoLv 71 decade agoFavorite Answer
I think that question should read as :-
x² + 6x + y² - 2y = 6
(x² + 6x + 9) + (y² - 2y + 1) = 6 + 9 + 1
(x + 3)² + (y - 1)² = 16
Centre (- 3,1)
Radius 4
- William BLv 71 decade ago
x^2 +6x + ____ + y^2 -2x + ____ =6
x^2 +6x +9 +y^2 -2x +1 =6 +9 +1 =16
(the c terms are half the b terms squared)
(x+3)^2 +(y-1)^2 =4^2
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