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10 questions from this quiz
Info needed to write equations completely
Two points to create simultaneous eqns
y=ax−h+ky = \frac{a}{x-h} + ky=x−ha+k
a=4a = 4a=4
Opportunities to eliminate one variable
y=ax−h+ky = a\sqrt{x-h} + ky=ax−h+k
Dividing one equation by another
(x−h)2+(y−k)2=r2(x-h)^2 + (y-k)^2 = r^2(x−h)2+(y−k)2=r2
r=5r = 5r=5
Verify by substituting original points
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