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Mathematics 20 Online
OpenStudy (anonymous):

an equation for a circle is given . a. determine its center. b. determine its radius. c. find 2 points on the circle x^2 + (y-8)^2=18

OpenStudy (experimentx):

compare with the standard equation of circle and determine

OpenStudy (anonymous):

a. (0,8)

OpenStudy (anonymous):

right?

OpenStudy (anonymous):

a. (0,8) b. 3sqrt2 c. (0,3sqrt2),(3sqrt2,0)

OpenStudy (experimentx):

right

OpenStudy (anonymous):

for c, I ended up with (3, sq rt 9 + 8) and (3, sq rt 9 -8) . would the sq rt 9 + 8 simplify to sq rt 17? I tried that and ended up with a funky number..

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