Paul Dawkins
Paul's Online Notes: Augmented Matrices
Here are good examples of the Gauss-Jordan elimination method to solve systems of equations.
Analyze Math
Analyze Math: Graphing Polar Equations
Learners explore graphing polar equations by hand. The activity has several examples with detailed solutions. The method used to sketch the graph is point-by-point.
Texas Instruments
Texas Instruments: Solve Linear Equation
This StudyCards set begins with "what is an equation?" and continues with solving linear equations using the graph of the related linear function(s), the trace and zeros methods.
Purple Math
Purplemath: Graphing Linear Equations: T Charts
A nice tutorial on how to graph linear equations. Goes through the process step by step and gives numerous examples.
Analyze Math
Analyze Math: Cramer?s Rule to Solve Systems of Equations
Learners are introduced to the Algebra II topic of solving systems of linear equations. The tutorial proves Cramer?s rule of solving 2 by 2 systems of equations. The activity includes a defintion and an example with a detailed solution.
Oswego City School District
Regents Exam Prep Center: Solving Linear Systems Graphically
The method of graphing to solve a system of linear equations is demonstrated on this site. Students are shown how to graph the lines, then shown how to find the solution.
Lawrence Hall of Science
The Math Page: Skill in Algebra: The Equation and Graph of a Straight Line
Here is a site that clearly and thoroughly explains the equation of a line, including how to find points on a line, intercepts, and how to recognize the equation of a line. There are example problems solved, problems for the student to...
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: The Equation of a Straight Line
Here is a site that clearly and thoroughly explains linear functions and the equation of a straight line. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
Math Planet
Math Planet: Linear Equations in the Coordinate Plane
Gain an understanding of linear equations in the coordinate plane by viewing examples and a video lesson. [2:56]
Math Planet
Math Planet: Solve Systems of Equations by Graphing
Gain an understanding of how to solve systems of equations by graphing by viewing an example and a video lesson. [2:49]
Math Planet
Math Planet: Algebra 1: Linear Equations in the Coordinate Plane
Provides examples and a video lesson that illustrates how to graph a linear equation.
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...
Cool Math
Coolmath: Finding the Equation of a Line Given Two Points
Use this tutorial to find the equation of a line given two points.
CK-12 Foundation
Ck 12: Algebra: Graphs Using Slope Intercept Form
[Free Registration/Login may be required to access all resource tools.] Learn how to graph lines using slope-intercept form.
Khan Academy
Khan Academy: Algebra: Constraint Solutions of Systems of Inequalities
Find the range of values of one variable that corresponds to a given value of the other variable in a system of two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Khan Academy
Khan Academy: Constraint Solutions of Two Variable Inequalities
Find the range of values of one variable that corresponds to a given value of the other variable in a linear inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...
Illustrative Mathematics
Illustrative Mathematics: F Le Taxi!
In this task, students explore the linear relationship between distance traveled and taxi fare cost. Aligns with A-REI.D.10 and F-LE.B.5.
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.
Purple Math
Purplemath: Graphing Overview: Straight Lines
This resource provides an overview of graphing for various types of functions, instruction on graphing straight lines and also, includes advice on common mistakes made by students.
Khan Academy
Khan Academy: Graph From Linear Standard Form
Find the graph of a linear equation given in standard form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Solutions of Systems of Inequalities
Check whether an ordered pair is a solution of a system of two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Solutions of Inequalities Graphically
Given the graph of a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...