Have you ever sat in a math classroom and wondered, “When will I ever use this?” You might have asked yourself this question when you first encountered “imaginary” numbers, and with good reason: What ...

I observed an Algebra class recently where students were trying to multiply two polynomials, (x + 5) and (3x 2 - 5x - 4). And as I roamed the room, I noticed several students who were stuck because ...