...I know the many equivalent conditions for a square matrix to be invertible. I know about vector spaces, and equivalent definitions of subspaces. Matrices are used to define linear transformations. (read more)
...My passion for teaching developed while at Cornell, after I was hired to teach a calculus support class for my peers. I have been tutoring ever since and love helping students finally understand topics they used to find tricky. I specialize in math and science, specifically algebra, biology, elementary math, and calculus. (read more)