AM-2424
Equation of a circle (centre–radius form)
A Math · Secondary 4 · Medium · Equation of a circle (centre–radius form)
A circle has centre
(3,−2) and radius 7. Find its equation in the form
(x−a)2+(y−b)2=r2.
- (x−3)2+(y+2)2=49
- (x+3)2+(y−2)2=49
- (x−3)2+(y−2)2=7
- (x+3)2+(y+2)2=7
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