Luis HernandezAug 4, 20221 minSAT PREP TESTIn this video, we solve 10 problems from an SAT Prep Test practice at Khan Academy. Take note of the approach and strategies to each one...
Luis HernandezFeb 16, 20221 minMinimum or maximum of a quadratic function and analysisDownload the study guide here:
Luis HernandezOct 3, 20202 minWHY before HOWI want to share with you this moment that I had with one of my students (for obvious reasons I covered her name). We were studying...
Luis HernandezSep 3, 20203 minThe real value of Math in our livesWhen I was a kid, I found a certain kind of relief in solving algebraic equations because I knew that there was always a solution to the...