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 2 years ago
Write the standard equation of the circle in the graph.
A. (x + 3)squared + (y  2)squared = 9
B. (x  3)squared + (y + 2)squared = 9
C. (x  3)squared + (y + 2)squared = 18
D. (x + 3)squared + (y  2)squared = 18
Help please! :)
 2 years ago
Write the standard equation of the circle in the graph. A. (x + 3)squared + (y  2)squared = 9 B. (x  3)squared + (y + 2)squared = 9 C. (x  3)squared + (y + 2)squared = 18 D. (x + 3)squared + (y  2)squared = 18 Help please! :)

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campbell_st
 2 years ago
Best ResponseYou've already chosen the best response.3the circle centre appears to be (3, 2) and the radius is r = 3 so the general form of a circle is \[(x  h)^2 + (y  k)^2 = r^2\] the centre is (h, k) and r is the radius just substitute the information for the centre and radius into the general equation.

amoodarya
 2 years ago
Best ResponseYou've already chosen the best response.0center of circle is (3,2) in (3,2) it is tangent to xaxis so radius =3

ByteMe
 2 years ago
Best ResponseYou've already chosen the best response.0if (h, k) is the center, then the equation is \(\large (xh)^2+(yk)^2=r^2 \), where r is the radius plug those values in...
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