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Algebra

Tutor: None Selected  Time limit: 1 Day 
x^{2} + y^{2} = 36 WHATS THE RADIUS
x2 + y2 = 36
The standard form for a circle with center at (h,k) and radius r is:
(xh)^2 + (yk)^2 = r^2
Since x^2 + y^2 = 36 is the same as:
(x0)^2 + (y0)^2 = 6^2
this cicle has center (0,0) and radius 6
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