Texas Instruments
Texas Instruments: Matrices and Linear Equations
This Computer Algebra System (CAS) activity encourages students to investigate addition, subtraction, and multiplication of matrices. They find the inverse of a matrix. Students also solve a set of linear equations by using matrices.
Texas Education Agency
Texas Gateway: Solving Systems of Equations With Three Variables
Given a system of three linear equations, the student will solve the system with a unique solution.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Systems of Inequalities
Hotmath provides 21 practice problems dealing with systems of equations and inequalities. Each of the practice problems include a step-by-step guide for solving their algebraic problem.
Khan Academy
Khan Academy: Number of Solutions to Equations Challenge
Given a linear equation with missing values, determine appropriate values in order to have one, zero, or infinite solutions. For example, complete the equation -11x + 4 = __x + __ so that it has no solutions. Students receive immediate...
Math Drills
Math drills.com: Algebra Worksheets
Download these worksheets to sharpen your algebraic skills. Sheets focus on missing numbers, translating, simplifying and evaluating algebraic phrases, rewriting formulas, solving linear equations, systems of linear equations and inverse...
Math Medics
S.o.s. Math: Algebra
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Texas Education Agency
Texas Gateway: Solving Systems of Equations Using Matrices
Given a system of up to three linear equations, the student will solve the system using matrices with technology.
McGraw Hill
Glencoe Mathematics: Quiz on Solving Systems of Linear Equations
Learners show comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on solving systems of linear equations. Topics include solving systems using graphing, substitution, and elimination methods.
National Council of Teachers of Mathematics
The Math Forum: Math Library Maple
This site from The Math Forum provides links to sites that relate to solving linear equations by using Maple and other techniques. This site contains on line text books for higer math courses.
CK-12 Foundation
Ck 12: Algebra: Systems of Linear Equations in Three Variables
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of equations in three variables (x, y, and z).
CK-12 Foundation
Ck 12: Algebra: Systems Using Substitution
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of linear equations using substitution.
Other
Quick Math: Graph Equations and Inequalities
This resource is from the QuickMath website that illustrates how to graph equations, inequalities and a system.
Math Planet
Math Planet: Algebra 2: Solving Systems of Equations in Three Variables
Get information about solving systems of equations in three variables by viewing examples and a video lesson. [6:35]
Math Planet
Math Planet: Algebra 2: Solving Systems of Equations in Two Variables
Provides examples and a video lesson that illustrate how to solve systems of equations in two variables. [1:43]
Other
Nearpod: Pairs of Linear Equations
In this instructional activity, 8th graders will learn how to solve systems of equations by graphing, substitution, and elimination.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Sistemas De Ecuaciones Lineales
In Spanish. In this interactive unit learn how to identify, graph and solve linear equations with two unknowns.
Interactive Mathematics
Interactive Mathematics: Solving Systems Algebraically
Both the substitution and elimination methods are presented through detailed examples. Learn step by step how to find solutions to any linear system of two variables.
ClassFlow
Class Flow: Solving Systems by Graphing
[Free Registration/Login Required] Students will learn how to estimate what the solution to a system of linear equation is by graphing.
CK-12 Foundation
Ck 12: Algebra: Solving Systems by Multiplying One Equation
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems by multiplying one equation by a constant to eliminate a variable.
CK-12 Foundation
Ck 12: Algebra: Systems of Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] Graph and solve systems of linear inequalities.
Texas Instruments
Texas Instruments: Writing and Solving Systems of Equations Using Cabri Jr.
Through this introduction to the use of the Cabri Jr. application in the Algebra classroom, students will algebraically and graphically determine equations of lines, as well as determine solutions to systems of linear equations. Using...
CK-12 Foundation
Ck 12: Algebra: Determining the Type of Linear System
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system by graphing when there is no solution or infinitely many solutions.
ClassFlow
Class Flow: Linear Equations Substitution
[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.
Texas Instruments
Texas Instruments: Solving a System of Linear Equations
In this activity, students' will collect and analyze motion data in order to determine the solution to a linear system of equations. They graph two motions on a common axis and find their intersection.