AM-718

Equation of a circle (centre–radius form)

A Math · Secondary 3 · Medium · Equation of a circle (centre–radius form)

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

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