Khan Academy
Khan Academy: Algebra: Systems of Three Variables 2
This video demonstrates how to solve a system comprised of three equations in three variables using elimination. [7:00]
Khan Academy
Khan Academy: Algebra: Systems of Three Variables
This video demonstrates how to solve a system comprised of three equations in three variables. [8:23]
Khan Academy
Khan Academy: Algebra Ii: Solutions to Three Variable System
This video demonstrates how to solve a system of equations with three variables in order to determine if the system has no solution or infinite solutions. The system is solved using the elimination method. [4:34]
PBS
Wnet: Thirteen: Get the Math: Get the Math in Basketball Introduction
Basketball player Elton Brand describes how he became an NBA star, then presents a challenge about the math behind the perfect free throw shot.