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The equation x 2 + y 2 − 4 x + 2 y = b x 2 +y 2 −4x+2y=b describes a circle. determine the y coordinate of the center of a circle

User Lewi Uberg
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2 Answers

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Answer

Here’s a graph. Hope this helps.

Explanation:

The equation x 2 + y 2 − 4 x + 2 y = b x 2 +y 2 −4x+2y=b describes a circle. determine-example-1
User Kris Gjika
by
7.6k points
1 vote

Answer:

-1

Explanation:

x²+y²-4x+2y=b

x²-4x+4+y²+2y+1=b+4+1

(x-2)²+(y+1)²=b+5

center is (2,-1)

User Arham Chowdhry
by
8.8k points

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