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2007-12-02 16:05:27 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
(x + 1)² + (y - 2)² = 16
2007-12-05 06:22:41 · answer #1 · answered by Como 7 · 2⤊ 1⤋
2
2007-12-02 16:07:58 · answer #2 · answered by Anonymous · 2⤊ 1⤋
(x + 1)^2 + (y - 2)^2 = 16
2007-12-02 16:10:57 · answer #3 · answered by Kate :-) 4 · 0⤊ 1⤋
(y-2)^2 + (x+1)^2=16
2007-12-02 16:07:34 · answer #4 · answered by soccer4ever 2 · 1⤊ 2⤋
recall that the equation of a circle is:
(x-h)^2+(y-k)^2=r^2, where (h,k) is the center and r is the radius,
so plug in the center of (-1,2) and radius of 4:
(x-(-1))^2+(y-2)^2=(4)^2
and simplify to get:
(x+1)^2+(y-2)^2=16
so the answer is c.
2007-12-02 16:10:31 · answer #5 · answered by greeneggs4spam 3 · 1⤊ 3⤋
Answer is C.
To find the equation of the circle it is: (x - x1)^2 + (y - y1)^2 = r^2
The x1 and y1 are in reference to the center of the circle coordinates.
2007-12-02 16:09:18 · answer #6 · answered by Floog 2 · 1⤊ 1⤋
it's C
2007-12-02 16:13:38 · answer #7 · answered by marksman 2 · 0⤊ 0⤋