Algebra Find and Use Data Prealgebra Probability and Statistics Battling Bad Science (and Statistics) Maria Andersen 6 October 2011 If you ever needed a REASON to calculate the highest point of a parabola that opens downward, here’s one. About Author Maria Andersen Dr. Maria Andersen has spent most of her career teaching, writing curriculum, and developing digital products for learning. Recently she returned to the classroom, having new teaching adventures in K-12 middle and high school. See author's posts Tags: TED Continue Reading Previous Previous post: Failure is a NORMAL Part of LearningNext Next post: Reason to Calculate the Vertex Related News These are a Few of my Favorite Graphs These are a Few of my Favorite Graphs Contemporary Algebra Collection (new resources 2/4/2019) Contemporary Algebra Collection (new resources 2/4/2019) Add Graphs In The World to Courses Add Graphs In The World to Courses Bringing the Real World to Your Math Class Every Day Bringing the Real World to Your Math Class Every Day