Question

The equation of a circle is x^2+y^2+2x+5y+3=0. Find the equation of the diameter which passes through the point (-7,3).

Answer 1

Hi Kwokyy....first use method of completing the square to write the equation of the circle.

Answer 2

then use this to find the value of the center.

Answer 3

then use the point given and the center to find the slope of the line and use point slope form to write the equation.

Answer 4

If you need me to show you let me know.

Answer 5

Hi PROSS, I did use completing squares but was unable to get the ans 11x + 12y +41=0. Mine was 16y+x-41=0. Pls help by showing me the steps. Thank you.