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CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Write linear equations in standard form and find the slope and y-intercept of such lines.
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.
CK-12 Foundation
Ck 12: Algebra: Families of Lines
[Free Registration/Login may be required to access all resource tools.] Learn how to express families of linear equations.
CK-12 Foundation
Ck 12: Algebra: Linear Inequalities in Two Variables
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing inequalities in two variables.
Texas Instruments
Texas Instruments: Staggered Races 1: Varying the ?B? In Y=mx+b
The primary focus in this activity is on parallel lines and equivalent equations. In Activity 1 and Activity 2, the class collectively will create a system of parallel and coinciding lines. It is important to focus on parallel lines...
PBS
Pbs Mathline: Stressed to the Breaking Point Lesson Plan [Pdf]
Students explore how much weight a spaghetti bridge can support and whether width and length matter. Printable lesson.
Illustrative Mathematics
Illustrative Mathematics: A rei.c and a rei.a.1: Products and Reciprocals
The purpose of this task is to test student skills at converting verbal statements into two algebraic equations and then solving those equations. Aligns with A-REI.A.1 and A-REI.C.
Oswego City School District
Regents Exam Prep Center: Systems of Linear Equations
This website contains tutorials that cover the methods used to solve linear equations, substitution, elimination (adding & subtracting), and graphing. The practice pages allow students to practice the skills they have learned. On the...
Khan Academy
Khan Academy: Solve Systems of Linear Equations With Elimination (Advanced)
In this exercise, students practice solving systems of linear equations with elimination (advanced). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
Cuemath
Cuemath: How to Solve Matrices
In this mini-lesson, we will explore the world of matrices by finding the answers to questions like how to solve systems of equations with matrices, how to solve matrices, and matrix operations with examples and formulas while...
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Linear Equations
Students show comprehension of advanced mathematical concepts in Algebra I. The questions check understanding on solving systems of linear equations. Techniques included are substitution, elimination, and graphing.
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.
Khan Academy
Khan Academy: Systems of Linear Equations Word Problems
In this exercise, students practice solving systems of linear equations in word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Other
Hsor.org: Frankfurter High: Hot Dog Sales
Determine the number of hot dogs needed in order to make a profit with little waste. Adobe required.
Other
Hsor.org: High Step Shoes: Product Mix
Determine the profits and the efficiency of the shoe company.
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.
Other
Math Portal: Row Reduction Method
A step by step of how to solve systems of linear equations using the row reduction method.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Ecuaciones Y Sistemas De Ecuaciones
In Spanish. Practice how to solve system of equations graphically with this interactive activity.
Purple Math
Purplemath: Systems of Linear Equations: Definitions
Covers the basic definitions involved in systems of linear equations.
Texas Instruments
Texas Instruments: Systems of Linear Equations
This set of questions pertains to systems of linear equations. Students are asked to determine the number of solutions and to find points of intersection. These are multiple choice problems with solutions included.
Other
Hsor.org: Pizza Pi: Work Force
High School Operations Research Math Modules - Applied Mathematics for decision making in industry and government
Other
Hsor.org: Latisha Develops an Investment Plan: Decision Variables
Latisha is trying to decide on an investment plan that will make the most money, help her determine the best plan.
Cool Math
Coolmath: Cramer's Rule for 3x3's
Use this tutorial to learn how Cramer's Rule works for 3 x 3.