AM-2331

Equation of a circle (centre–radius form)

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

1. $(x+1)^2 + (y+2)^2 = 16$
2. $(x-1)^2 + (y-2)^2 = 16$
3. $(x+1)^2 + (y-2)^2 = 16$
4. $(x-1)^2 + (y+2)^2 = 16$

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