Instructional Video
Khan Academy

Khan Academy: Algebra: Systems of Three Variables 2

9th - 10th Standards
This video demonstrates how to solve a system comprised of three equations in three variables using elimination. [7:00]
Instructional Video
Khan Academy

Khan Academy: Algebra: Systems of Three Variables

9th - 10th Standards
This video demonstrates how to solve a system comprised of three equations in three variables. [8:23]
Instructional Video
Khan Academy

Khan Academy: Algebra: Three Equation Application Problem

9th - 10th Standards
This video demonstrates how to solve a problem in a geometry context by setting up and solving a systems of equations in three variables. [8:15]
Instructional Video
Khan Academy

Khan Academy: Algebra Ii: Solutions to Three Variable System

9th - 10th Standards
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]
Instructional Video
Khan Academy

Khan Academy: Systems With Three Variables: Systems of Three Variables

9th - 10th
This video demonstrates how to solve a system comprised of three equations in three variables.
Instructional Video
Khan Academy

Khan Academy: Systems With Three Variables: Solutions to Three Variable System 2

9th - 10th
This lesson video shows how to solve a system of three equations with three unknown.
Instructional Video
PBS

Wnet: Thirteen: Get the Math: Get the Math in Basketball Introduction

9th - 10th
Basketball player Elton Brand describes how he became an NBA star, then presents a challenge about the math behind the perfect free throw shot.
Instructional Video
PBS

Wnet: Thirteen: Get the Math: Get the Math in Basketball

9th - 10th
The teams use different strategies to solve the free throw challenge presented by Elton Brand. While Calen and Tiffany take a graphical approach, Carter and Alicia solve the problem algebraically.
Instructional Video
Sophia Learning

Sophia: Equations for the Circle: Lesson 2

9th - 10th Standards
This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 2 of 5 in the series titled "Equations for the Circle."
Instructional Video
Sophia Learning

Sophia: Equations for the Circle: Lesson 4

9th - 10th Standards
This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 4 of 5 in the series titled "Equations for the Circle."
Instructional Video
Sophia Learning

Sophia: Equations for the Circle: Lesson 1

9th - 10th Standards
This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 1 of 5 in the series titled "Equations for the Circle."