How do you find the center and radius of the the circle #x^2 + y^2 + 6/5x - 8/5y - 8 = 0#?
1 Answer
First factorise the original equation, so that you have it in the form of a circle equation:
From this we can see that the radius
Explanation:
Starting with the original equation:
which equals:
=
Now factorise the above equation, so that you have it in the form of a circle equation:
The circle equation is:
Where r is the radius. The centre x point and the centre y point are
From this we can see that the radius