Question
Asked Sep 14, 2019
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Draw a circle with an equation of x2+4x+y2−4y=1.

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Expert Answer

Step 1

Given,

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x2 4x 4y = -1 x22.2 x + 4 - 4 + y2 - 2 2.y 4 4=-1 (x22 2 x 4) - 4 (y2-2 2 y4) 4 -1 . (x 2)y 2)2 7 (i

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Step 2

We know th...

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The standard equation of the circle is given by (x - h)2 (y -k)2 r2 where (h, k)is the center andr is the radius Now, comparing the equation (i) with the standard equation of the circle and we have h -2,k 2 and r2 = 7 > r = 7

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