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Nutka1998 [239]
3 years ago
5

X2 + y2 + 6x – 2y+3 = 0? What is the radius of a circle with the equation

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
5 0

Answer:

Step-by-step explanation:

hello : write this expression

X² + y² + 6x – 2y+3 = 0  in the standard form

(x²+6x) +(y²-2y) +3 = 0

(x²+6x+9 -9) +(y²-2y+1 - 1) +3 = 0

(x²+6x+9) -9 +(y²-2y+1) - 1 +3 = 0

(x+3)²+(y-1)² = 7(the standard form)

but : 7 = (√7)²

<h2>the radius is : √7</h2>

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