In two previous posts, I have explored
what it means to solve linear inequalities and
what it means to solve quadratic equations. The latter post describes a classroom moment in which my students and I contemplate what it means to find and visualize the (complex) solutions of a quadratic equation that has no real solutions. I wrote:
"A picture formed in my mind of an invisible, ethereal, wormhole-style
thread binding the two curves. How could we represent the functions so
that the "intersection" would be visible?"
This post documents my post-class exploration of that issue.