help would be appreciated if u can solve it all i will be very thankful and i would like some hints too

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- April 15th 2008, 06:03 PMcarlasaderhelp in this math project
help would be appreciated if u can solve it all i will be very thankful and i would like some hints too

- April 16th 2008, 12:20 AMMathnasium
What have you done so far? Where are you stuck? What formulas do you know about circles?

- April 16th 2008, 04:38 AMskystar
The equation of a circle is

where is the centre of the circle and r the radius. - April 16th 2008, 07:00 AMAryth

Complete the square for both:

Now we factor:

Therefore, r = 3 and the center is