Lawrence Hall of Science
The Math Page: Skill in Algebra: Simultaneous Linear Equations
Here is a site that clearly and thoroughly explains how to solve systems of linear equations using the methods of combination, substitution, and Cramer's Rule. There are example problems solved, problems for the student to attempt, and...
Purple Math
Purplemath: Solving One Step Linear Equations
Demonstrates step-by-step, with illustrations, how to solve linear equations. Also explains the formatting and reasoning for 'no solution' and 'all x' equations. Includes interactive tool for practice solving linear equations.
Purple Math
Purplemath: Systems of Linear Equations: Definitions
Covers the basic definitions involved in systems of linear equations.
Cool Math
Coolmath: Solving 2 X 2 Systems of Equations With Cramer's Rule Exercises
Solving 2 x 2 Systems of Equations with Cramer's Rule. Work the problems out then check your answer.
Math Planet
Math Planet: Solving Linear Inequalities
Provides examples and a video lesson that illustrates how to solve linear inequalities.
Math Planet
Math Planet: Systems of Linear Inequalities
A system of linear inequalities in two variables consists of at least two linear inequalities in the same variables. The solution of a linear inequality is the ordered pair that is a solution to all inequalities in the system and the...
Concord Consortium
Concord Consortium: Solving Systems of Equations
Two linear equations, with two variables, are presented and students use graphs to solve the system of equations.
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]
Math Planet
Math Planet: Algebra 1: Graphing Linear Systems
Gain an understanding of how to solve linear equations by viewing an example and a video lesson. [3:01]
Illustrative Mathematics
Illustrative Mathematics: A rei.c.6: Accurately Weighing Pennies Ii
This illustrated math lesson shows how important levels of accuracy in measurement are. The answer can be different since a scale only accurately weighs to the nearest tenth of a gram instead of to the nearest hundredth of a gram. Aligns...
Illustrative Mathematics
Illustrative Mathematics: A Rei the Circle and the Line
Students are required to solve a system of equations in this task which will demonstrate their understanding of the correspondence between intersection points of the two graphs and solutions of the system. Aligns with A-REI.C.7.
Illustrative Mathematics
Illustrative Mathematics: A Rei Pythagorean Triples
This task has two separate goals: the first is to solve a pair of equations, one quadratic and the other linear. The second goal is to observe that a point that lies on a circle gives rise to a Pythagorean triple. Aligns with A-REI.C.7.
Alabama Learning Exchange
Alex: Focusing on Graphs
In this lesson, students will solve systems of linear equations by graphing. Systems of linear equations are two or more linear equations together.
CK-12 Foundation
Ck 12: Algebra: Linear Systems: Solve by Graphing & Substitution
This comprehensive study guide highlights the main terms and formulas needed to review linear systems, specifically solving by graphing and substitution. Examples are included.
Cool Math
Coolmath: Linear Equations
This CoolMath resource will help students learn how to solve linear equations.
Cool Math
Coolmath: Systems of Equations Freaky Things That Can Happen With 2x2's
Reference material and practice problems solving systems of equations using elimination or substitution.
Cool Math
Coolmath: Systems of Equations Solving by Elimination
Reference material and practice problems solving systems of equations using elimination.
Cool Math
Coolmath: Systems of Equations Solving by Elimination With 3x3's
Reference material and practice problems solving systems of equations using elimination.
Cool Math
Coolmath: Systems of Equations Introduction to 3x3's
Reference material and practice problems solving systems of 3 equations.
Cool Math
Coolmath: Systems of Equations Solving by Graphing
Reference material and practice problems solving a system of equations by graphing.
Khan Academy
Khan Academy: Systems of Equations With Elimination
Solve systems of equation with one-step elimination (e.g., x-values or y-values cancel each other out).
Khan Academy
Khan Academy: Systems of Equations With Elimination Challenge
Solve systems of equation with multi-step elimination (e.g., a manipulation is needed in order for x-values or y-values to cancel each other out).
Khan Academy
Khan Academy: Lesson: Solving Linear Equations and Linear Inequalities
In this lesson, we'll learn to: Solve linear equations, Solve linear inequalities,and Recognize the conditions under which a linear equation has one solution, no solution, and infinitely many solutions.
Khan Academy
Khan Academy: Lsn 13: Systems of Equations, Algebraic and Graphical Representations
Lesson 3 of 4 for Passport to Advanced Math. Students will solve systems of equations in two variables in which one equation is linear and the other equation is quadratic or another nonlinear equation; relate properties of the function f...