Systems of Linear Equations: Substitution Method

Solving a system of two linear equations in two variables just got a little easier. This Formula Solver program will walk you through the steps for finding the solution using the substitution method, and you can even work with your own values! Continue reading

Systems of Linear Equations: Graphing Method

This Formula Solver program walks you through the steps for solving a system of two linear equations in two variables, using the graphing method. You can use your own values, and it will draw graphs and plot the solution. Continue reading

Systems of Linear Equations: Elimination Method

For systems of two linear equations in two variables, this Formula Solver program walks you through the steps for finding the solution using the elimination method. You can even work with your own values! Continue reading

Cramer’s Rule 3×3

For systems of three linear equations in three variables, this Formula Solver program walks you through the steps for finding the solution using Cramer’s Rule (also known as the Third Order Determinant Method). You can even work with your own values! Continue reading

Systems of Linear Inequalities: Graphing Method

For systems of two linear inequalities in two variables, this Formula Solver program walk you through the steps for finding the solution using the graphing method. You can even work with your own values! Continue reading

Bottomless Worksheet of the FOIL Method

This Bottomless Worksheet offers endless practice for using the FOIL method to multiply binomials. Ten new problems for you to solve, with printed copies and answer sheets, are always a click away. Continue reading