Why is completing the square called completing the square?Watch
I know how to use the 'complete the square' method to solve quadratics. Very familiar with the process.
But I'd like to know at what stage in workings are we 'completing' a square - just interested to know why the process is called that.
- Study Helper
is not a perfect square. is not a perfect square as well but it does make up three of the four quadrants of a square, and , where the square is .* To fill in the gap and "complete the square" we add a 9 to both sides to get
*If this part is confusing to you, try drawing a square with length x+3.
ugk4life - no thanks at all for your silly post.