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Mars2501 [29]
3 years ago
11

X2 + y2 – 4x + 10y + 4 = 0. find the center and radius of a circle

Mathematics
1 answer:
alekssr [168]3 years ago
8 0

Answer:

the center is : (2 , - 5) and radius 5

Step-by-step explanation:

hello :

x² + y² – 4x + 10y + 4 = 0

(x²-4x)+(y²+10y)+4 =0

Completing The Square :

(x²-4x+4)-4+(y²+10y+25)-25+4 =0

(x-2)²+(y+5)²= 5²  .....standard form

the center is : (2 , - 5) and radius 5

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