Khan Academy
Khan Academy: Systems of Equations Word Problems: Systems and Rate Problems
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates.
Imagine Learning Classroom
Learn Zillion: Lesson Video for 'Estimate Values on a Graph'
In this lesson, you will learn how to read from a graph by estimating between gridlines. [5:15]
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.
PBS
Wnet: Thirteen: Get the Math: Math in Special Effects Introduction
Jeremy Chernick from J&M Special Effects discusses how he ended up creating effects as a career, then introduces a challenge about the algebra behind lighting high-speed effects like explosions.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Graphing
The video examines systems of equations. Students watch an example on how to solve systems by graphing. [3:26]
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Graphing 3
The video examines systems of equations. Students watch an example on how to solve systems by graphing.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Elimination
The video example explores how to solve word problems using systems of equations. Students watch an example on how to create and find the solutions to a system using the elimination method. [5:51]
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Graphing 2
The video [3:26] examines systems of equations. Students watch an example on how to solve systems by graphing.
Khan Academy
Khan Academy: Solving Systems Through Examples: Graphically Solving Systems Ex 2
This video demonstrates how to use a graph in order to determine the number of solutions for a system of linear equations.
Khan Academy
Khan Academy: 3. Calculate Intersection Point
Now we are ready to calculate an intersection point using our ray CP (parametric form) and our line AB (slope-intercept form).
Sophia Learning
Sophia: Matrices
This lesson will introduce matrices and how to determine their dimensions.
Sophia Learning
Sophia: Multiplying Matrix Rows: Lesson 10
This lesson demonstrates the multiplication of rows in a matrix. This is part of a series of lessons showing various matrix operations. It is 10 of 10 in the series titled "Multiplying Matrix Rows."
Sophia Learning
Sophia: Multiplying Matrix Rows: Lesson 5
This lesson demonstrates the multiplication of rows in a matrix. This is part of a series of lessons showing various matrix operations. It is 5 of 10 in the series titled "Multiplying Matrix Rows."
Sophia Learning
Sophia: Multiplying Matrix Rows: Lesson 6
This lesson demonstrates the multiplication of rows in a matrix. This is part of a series of lessons showing various matrix operations. It is 6 of 10 in the series titled "Multiplying Matrix Rows."
Sophia Learning
Sophia: Multiplying Matrix Rows: Lesson 7
This lesson demonstrates the multiplication of rows in a matrix. This is part of a series of lessons showing various matrix operations. It is 7 of 10 in the series titled "Multiplying Matrix Rows."
Sophia Learning
Sophia: Multiplying Matrix Rows: Lesson 8
This lesson demonstrates the multiplication of rows in a matrix. This is part of a series of lessons showing various matrix operations. It is 8 of 10 in the series titled "Multiplying Matrix Rows."
Sophia Learning
Sophia: Simultaneous Equation Solutions: Lesson 2
This lesson explains what a solution is, how many there are, and what is incorporated when looking at a system of equations. It is 2 of 7 in the series titled "Simultaneous Equation Solutions."
Sophia Learning
Sophia: Simultaneous Equation Solutions: Lesson 6
This lesson explains what a solution is, how many there are, and what is incorporated when looking at a system of equations. It is 6 of 7 in the series titled "Simultaneous Equation Solutions."
Sophia Learning
Sophia: Simultaneous Equation Solutions: Lesson 7
This lesson explains what a solution is, how many there are, and what is incorporated when looking at a system of equations. It is 7 of 7 in the series titled "Simultaneous Equation Solutions."
Sophia Learning
Sophia: Singular and Non Singular Matrices: Lesson 4
This lesson introduces the notion of a singular matrix and provides a shortcut to determine whether or not a given 2x2 matrix is singular. It is 4 of 5 in the series titled "Singular and Non-Singular Matrices."
Sophia Learning
Sophia: Singular and Non Singular Matrices: Lesson 5
This lesson introduces the notion of a singular matrix and provides a shortcut to determine whether or not a given 2x2 matrix is singular. It is 5 of 5 in the series titled "Singular and Non-Singular Matrices."
Sophia Learning
Sophia: Solving a System of Linear and Quadratic Equations: Lesson 2
Solve a system of one linear and one quadratic equation in two variables, where only factoring is required. This lesson is 2 of 3 in the series titled "Solving a System of Linear and Quadratic Equations."
Sophia Learning
Sophia: Solving a System of Linear and Quadratic Equations: Lesson 3
Solve a system of one linear and one quadratic equation in two variables, where only factoring is required. This lesson is 3 of 3 in the series titled "Solving a System of Linear and Quadratic Equations."
Sophia Learning
Sophia: Verifying That Matrices Are Inverses: Lesson 3
This lesson demonstrates how to determine whether or not matrices are inverse. It is 3 of 7 in the series titled "Verifying that Matrices are Inverses."