Handout
Wolfram Research

Wolfram Math World: Minor

For Students 9th - 10th
This site explains what a minor is relative to matrix manipulations and gives insight on how to use the program "Mathmatica" involving minors.
Handout
Oak Ridge National Laboratory

Ornl: 7 Gaussian Elimination on Band Matrices

For Students 9th - 10th Standards
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
Activity
Richland Community College

Richland Community College: Math 116 Lecture Notes

For Students 9th - 10th Standards
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
Activity
University of Georgia

University of Georgia: Slope of Lines

For Teachers 9th - 10th Standards
This site provides a detailed unit on finding the slope of lines that investigates methods for solving systems of equations. Good lesson plan for class.
Activity
Purple Math

Purplemath: Systems of Non Linear Equations: Definitions

For Students 9th - 10th Standards
This Purplemath lesson provides formulas, equations, graphs and explanations of systems of equations.
Graphic
Curated OER

Egin{displaymath}left(#8;egin{array}{rrr}

For Students 9th - 10th
This lesson explains how the determinant is used for Cramer's Rule.
Graphic
Curated OER

Egin{displaymath}leftvert#8;egin{array}{rrr}

For Students 9th - 10th
This lesson explains how the determinant is used for Cramer's Rule.
Graphic
Curated OER

Egin{displaymath}x = Frac{1}{9} Leftvert#8;egin{array}{rrr}

For Students 9th - 10th
This lesson explains how the determinant is used for Cramer's Rule.
Activity
Purple Math

Purplemath: Systems of Linear Inequalities

For Students 9th - 10th Standards
This Purplemath lesson describes how to solve a system of linear inequalities by graphing.