How do you graph $x^2+y^2=25$ ?

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Answer 1 · 2018-07-01T02:05:01

Below

The general formula of a circle is given by:
$(x-h)^2+(y-k)^2=r^2$
where $(h,k)$ is the centre is r is the radius

Therefore, $x^2+y^2=25$ can also be written as $(x-0)^2+(y-0)^2=5^2$

We can immediately see that the centre is $(0,0)$ and the radius is 5

The graph is drawn below
graph{x^2+y^2=25 [-10, 10, -5, 5]}

How do you graph x^2+y^2=25x^2+y^2=25?