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12 questions from this quiz
Points at a fixed distance from a point
x2+y2=r2x^2 + y^2 = r^2x2+y2=r2
777
(x−h)2+(y−k)2=r2(x - h)^2 + (y - k)^2 = r^2(x−h)2+(y−k)2=r2
(x−3)2+(y+4)2=25(x - 3)^2 + (y + 4)^2 = 25(x−3)2+(y+4)2=25
(2,−5)(2, -5)(2,−5)
x2+y2+2gx+2fy+c=0x^2 + y^2 + 2gx + 2fy + c = 0x2+y2+2gx+2fy+c=0
(−g,−f)(-g, -f)(−g,−f)
r=g2+f2−cr = \sqrt{g^2 + f^2 - c}r=g2+f2−c
g=−3g = -3g=−3, f=4f = 4f=4, c=9c = 9c=9
444
Tangents, chords, or intersections
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