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OpenStudy (anonymous):
What is the general form of the equation of a circle with a center at (10, –9) and a radius of 13?
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OpenStudy (amistre64):
you will need to know the general form of a circle to start with .... the rest is just plugging in the parts
OpenStudy (anonymous):
Oh okay, would it be (x-10)^2+(y+9)^2=169 ?
OpenStudy (amistre64):
13^2 = 169 .. thats a good looking formula yes
OpenStudy (amistre64):
it really the distance formula
OpenStudy (anonymous):
Yeah, thats true :o thank you for checking it for me :)
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OpenStudy (amistre64):
youre welcome
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