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What is the standard form of the equation of the circle?

What is the standard form of the equation of the circle?-example-1

2 Answers

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(x – h)2 + (y – k)2 = r2 would be the equation
User Firman
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5 votes
The standard form of the equation of a circle is:

(x - a) {}^(2) + (y - b) {}^(2) = r {}^(2)
Where the point (a,b) represents the centre and r is the radius. So, given your information, the equation will be:

{(x + 4)}^(2) + {(y + 3)}^(2) = 25
User Konstantin Purtov
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6.3k points