This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...

https://doi.org/10.5951/jresematheduc.50.1.0051 • https://www.jstor.org/stable/10.5951/jresematheduc.50.1.0051 Copy URL Using instructional exchanges as a ...