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Rama09 [41]
3 years ago
15

Find the center and radius for the circles with the following equation x^2+y^2-4x+6y+11=0

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
7 0
Rearrange x²+y²-4x+6y=-11 I'll tell you an easy way. take the coefficient of x and divide it by -2 and the coefficient of y and divide it by -2  so -4 ÷-2 = 2           6÷-2= -3 (2,-3) is the center of the circle to know the radius √2² + -3² + -11  =√2  The Radius equals √2
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