AM-778
Equation of a circle (centre–radius form)
A Math · Secondary 3 · Easy · Equation of a circle (centre–radius form)
A circle has centre (3, −2) and radius 5. Which is its equation in standard form?
- ((x-3)^2+(y+2)^2=25)
- ((x+3)^2+(y-2)^2=25)
- ((x-3)^2+(y+2)^2=5)
- (x^2+y^2-6x+4y+25=0)
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