As a teen, Randy had painted a submarine, an elevator door and the quadratic equation on the walls of his childhood bedroom.
All I ask is to live simply and sensibly, but instead of that my existence is transformed into a quadratic equation.
quadratic equation, an equation involving the square of the unknown quantity.
The ordinary schoolboy would correctly treat this as a quadratic equation.
An advantage gained was that every quadratic equation, and not some quadratics only, could be spoken of as having two roots.