Tutoring math, one discovers idiosyncrasies of equations. The tutor mentions one about quadratics. The following is according to my understanding. Thumbing through an old textbook, I encountered the idea that, with a quadratic, its two roots (answers) add up to …
Math: quadratic equations: the sum of the roots formula Read more »
Heading towards exams, tutoring returns to factoring and other challenging topics. The math tutor shows how to solve a factoring problem that, at high school level, might be difficult. Suppose you are faced with the following problem: Solve -6×5+46×3+72x=0 This …
Tutoring high school math, this is a celebrated topic. It even gets revisited at various levels of calculus. The math tutor introduces it, having just come in from shoveling the drive…. One of many situations in which you might need …