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OpenStudy (tiffanymak1996):
The circle intersects the x-axis at two points P(-9,0) and Q(-1,0) and touches the positive y-axis. Find the equation of the circle.
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OpenStudy (campbell_st):
the centre is on the line of x = (-9 + -1)/2
OpenStudy (tiffanymak1996):
why?
OpenStudy (tiffanymak1996):
oh, nvm, i get it
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