Solving systems of equations by graphing is a fundamental technique in algebra that helps visualize and understand the solutions to two or more equations. This video provides a clear and detailed ...

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

Math is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by pointing ...