Mathematics, 18.09.2019 17:30 kalebstone8357

What is the general form of the equation of a circle with center at (a, b) and radius of length m?
a.
x2 + y2 − 2ax − 2by + (a2 + b2 − m2) = 0
b.
x2 + y2 + 2ax + 2by + (a2 + b2 − m2) = 0
c.
x2 + y2 − 2ax − 2by + (a + b − m2) = 0
d.
x2 + y2 + 2ax + 2by + a2 + b2 = -m2

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What is the general form of the equation of a circle with center at (a, b) and radius of length m? <...