AM-788

Equation of a circle (centre–radius form)

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

1. $(x-2)^2 + (y+1)^2 = 49$
2. $(x+2)^2 + (y-1)^2 = 49$
3. $(x-2)^2 + (y-1)^2 = 7$
4. $(x+2)^2 + (y+1)^2 = 7$

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