AM-2432

Equation of a circle (centre–radius form)

A Math · Secondary 4 · Easy · Equation of a circle (centre–radius form)

1. $(x-2)^2+(y+1)^2=25$
2. $(x+2)^2+(y-1)^2=25$
3. $(x-2)^2+(y+1)^2=5$
4. $(x+2)^2+(y-1)^2=5$

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