Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 13 [Pdf]
The practice exercise has learners solve a system of linear equations and identify the graphs of the equations. The graphs are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 14 [Pdf]
The practice exercise has students solve a system of linear equations and identify the graphs of the equations. The graphs are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 15 [Pdf]
Learners identify the graphs of a system of linear equations and then solve the system. The practice exercise is available in PDF format.
CK-12 Foundation
Ck 12: Algebra: Comparing Equations of Parallel and Perpendicular Lines
[Free Registration/Login may be required to access all resource tools.] Use their slopes to determine if two lines are parallel or perpendicular.
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.
Saddleback College
Algebra2 Go: Beginning Algebra
The resource consists of comprehensive notes, videos, and worksheets through which students can review algebra concepts.
CK-12 Foundation
Ck 12: Algebra: Linear Inequalities in Two Variables
[Free Registration/Login may be required to access all resource tools.] Graph linear inequalities to find solutions.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 9 [Pdf]
The exercise has learners identify the graphs of two linear equations and then solve the system of equations using the elimination method. The practice problem is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 10 [Pdf]
The exercise has learners identify the graphs of two linear equations and then solve the system of equations using the elimination method. The practice problem is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 7 [Pdf]
Students label two different linear graphs and solve the system of equations. The exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 8 [Pdf]
Students label two different linear graphs and solve the system of equations. The exercise is available in PDF format.
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions.
Math Medics
S.o.s. Math: Application of Determinant to Systems: Cramer's Rule
This lesson explains how the determinant is used for Cramer's Rule.
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.
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...
Khan Academy
Khan Academy: Solutions of Inequalities: Algebraic
Given 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 receive hints.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 27 [Pdf]
Students use the elimination method to solve simultaneous equations. The exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 28 [Pdf]
Students use the elimination method to solve simultaneous equations. The exercise is available in PDF format.
PBS
Pbs Learning Media: Meadows or Malls?
The lesson plan investigates how to use matrices to solve a complex linear programming problem. Educators can download printable version of the lesson in pdf format.
CK-12 Foundation
Ck 12: Introduction to Matrices: Matrices to Represent Data
[Free Registration/Login may be required to access all resource tools.] This lesson defines, organizes, and compares matrices. Includes examples, video, and review problems.
Texas Instruments
Texas Instruments: Getting Started With the Ti Navigator System: River of Life
This lesson introduces students to Activity Center and is intended to help students develop the conceptual understanding of how to identify functions as linear or nonlinear and contrast their properties from tables, graphs, or equations.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Augmented Matrices
Seventeen problems present a variety of practice working with augmented matrices. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button...
Washington State University
Washington State University: Sample Problems From Intermediate Algebra
Check for college math readiness using this problem sampler. Problems cover high school algebra topics, including linear and quadratic equations, factoring, radicals, rational expressions, synthetic division, complex numbers and more....
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...