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Schach [20]
3 years ago
15

Show that the equation represents a circle by rewriting it in standard form, and find the center and radius of the circle.

Mathematics
1 answer:
sashaice [31]3 years ago
4 0
<span>5x^2 + 5y^2 + 10x − y = 0 it is the same of </span>
<span>x^2 + y^2 + 2x −1/5y = 0
and then </span>
(x + 1)^2 - 1+  (<span><span>y−1/10)^2  -1/100=0
</span> </span>(x + 1)^2 +  (<span>y −1/10)^2  =(101/100)

the center is C(-1, 1/10), and the radius is R= sqrt(101)/10
</span>
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