Completing the square
method for solving quadratic equations
In elementary algebra, Completing the square is a technique in evaluating quadratic expressions. The technique is about converting the quadratic expression in the standard form , into the vertex form .
History
changeThe technique of completing the square was known in the Old Babylonian Empire.[1]
Muhammad ibn Musa Al-Khwarizmi, a famous polymath who wrote the early algebraic treatise Al-Jabr, used the technique of completing the square to solve quadratic equations.[2]
References
change- ↑ Tony Philips, "Completing the Square", American Mathematical Society Feature Column, 2020.
- ↑ Hughes, Barnabas. "Completing the Square - Quadratics Using Addition". Math Association of America. Archived from the original on 2022-10-21. Retrieved 2022-10-21.