How do you find the equation of a circle that passes through points (-8,-2)(1-,-11) and (-5,9)?
1 Answer
The equn. of a circle is :
Explanation:
Let the equation of the circle be
Since the circle passes through
These equations simplify to
Subtracting
Subtracting
Multiply
Subtracting
Substituting the value of
Divide both sides by 18
Substituting the value of f and g into
Hence, the equation of the circle is
Multiply through by 7
In the form