Another Way to Solve Quadratic Equations

Posted on December 9, 2019 by jrh794

Here is a recent video on how to solve quadratic equations.  It depends on the fact that the two roots lie symmetrically about the x-coordinate of the vertex.  https://www.popularmechanics.com/science/math/a30152083/solve-quadratic-equations/  It eliminates the guessing or systematic trials by using in simpler quadratic equation and is quite elegant.

About jrh794

I am a seventy-five year old retired math instructor. I was at Southern Oregon University for twelve years. I had taught at the College of the Siskiyous in Weed California for twenty-six years. Prior to that I worked as a computer programmer, carpenter and in various other jobs. I graduated from Rice University in 1967 and have a MS in Operations Research from Stanford. In the past I have hand-built a stone house and taken long solo bicycle tours. Now I ride my mountain bike and play golf, go and bridge for recreation.
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