Other
Algebra.com: Solution: Given a System of Two Equations in Two Variables
This activity shows an example of how to solve a system of equations using elimination. Each step is explained in detail. Additional links are provided for more information on properties of equality, solving equations, and solving a...
University of Georgia
University of Georgia: Slope of Lines
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.
Alabama Learning Exchange
Alex: Battleships
This lesson is designed to review and reinforce three methods (graphing, substitution and elimination) of solving systems of linear equations. The students will work together and independently to find the solutions to systems of...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Solving Systems of Linear Equations
Find a quick, concise explanation of how to solve systems of linear equations algebraically and graphically. Examples are given and clearly explained.
Saddleback College
Algebra2 Go: Beginning Algebra
The resource consists of comprehensive notes, videos, and worksheets through which students can review algebra concepts.
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.
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.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Multiplication
[Free Registration/Login may be required to access all resource tools.] Solve linear systems using multiplication.
CK-12 Foundation
Ck 12: Algebra: Matrix Multiplication
[Free Registration/Login may be required to access all resource tools.] This lesson explains how to multiply two matrices and presents practice exercises.
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.] Isolate and substitute for one variable to solve systems of equations in two variables.
Other
University of Wisconsin: Basic Algebra
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.
Texas Instruments
Texas Instruments: Boats in Motion
In this lesson, students make observations about the motion of a boat going up and down the river. They will solve the system of equations algebraically and graphically.
CK-12 Foundation
Ck 12: Algebra: Cramer's Rule
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems of equations using Cramer's Rule.
Oak Ridge National Laboratory
Ornl: 7 Gaussian Elimination on Band Matrices
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
Shmoop University
Shmoop: Basic Algebra: Solving Multiple Equations by Graphing
The tutorial discusses how to solve multiple equations by graphing. Learners explore the concept through notes and examples. Practice problems are included to check for comprehension of the algebra topic.
Other
Algebra.com: Linear Equation and System Solvers: Solve Linear Systems
This interactive linear system solver allows you to enter two linear equations in general form and then plot the lines and find the answer using either substitution or elimination. The answer is presented with both methods accompanied by...
CK-12 Foundation
Ck 12: Algebra: Graphs of Linear Systems
[Free Registration/Login may be required to access all resource tools.] Students learn to solve a linear system by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Multiplication
[Free Registration/Login may be required to access all resource tools.] Solve systems of linear equations that require multiplication and addition or subtraction to eliminate one of the variables.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Addition or Subtraction
[Free Registration/Login may be required to access all resource tools.] Use the elimination method to solve systems of linear equations.
CK-12 Foundation
Ck 12: Algebra: Systems Using Substitution
[Free Registration/Login may be required to access all resource tools.] Solve linear systems by using substitution.
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.
Texas Instruments
Texas Instruments: Solving Systems With Quadratic Equations: Systems of Conics
In this activity, students will plot the graphs of systems of equations and determine the number of real solutions of the system. Then find the solution of the system algebraically.
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...