Circle - AG

Find the coordinates of the circle and its diameter if its equation is:

x2+y26x4y=36

Correct answer:

x1 =  3
y1 =  2
D =  14

Step-by-step explanation:

x2 + y2  6x4y=36 (x3)2 + (y2)2 3222=36 (x3)2 + (y2)2 = 49 (xx1)2 + (yy1)2 = r2 x1=3
y1=2
r=49=7 D=2 r=2 7=14



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Showing 1 comment:
Math student
why is x =3 =0?





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