Texas Instruments
Texas Instruments: Simultaneous Equation Solver App
Students use this App to calculate solutions (a unique solution, no solution, or an infinite number of solutions.unique) for linear systems. They can work with systems that contain both numeric and symbolic coefficients and have up to 30...
Texas Instruments
Texas Instruments: Creating Piece Wise Functions Using Cbr System
In this lesson, students can use the CBR ranger to model walking distance over time. They will walk away from the sensor, back towards the sensor and finally away from the sensor over an interval of 10 seconds. The result should be 3...
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."
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Substitution
Twenty-seven problems present a variety of practice solving linear systems by substitution. 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...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: The Linear Combination Method/elimination Method
Twenty problems present a variety of practice using the linear combination/elimination method to solve linear systems. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem...
Interactive Mathematics
Interactive Mathematics: Graphs of Linear Functions
A brief overview of three methods used to graph lines is presented through examples. Slope-intercept, point-slope, and intercept form are demonstrated step-by-step along with a review of the formula for finding the slope of a line.
Math Planet
Math Planet: The Elimination Method for Solving Linear Systems
Provides examples and a video lesson that illustrates how to use the elimination method to solve linear equations.
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.
University of Regina (Canada)
University of Regina: Math Central: How to Augment a Matrix
In easy to follow steps, this resource replies to a student's question on how to augment a matrix.
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.
Wolfram Research
Wolfram Math World: Ode With Constant Coefficients
This math site discusses how to solve a system of diferential equations.
Texas Instruments
Texas Instruments: Sack Race
The primary focus should be on slope as rate of change and piecewise functions. This activity allows exploration of multiple types of slope; i.e., positive slope, negative slope, or zero slope for students to build their understanding of...
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 16 [Pdf]
Learners identify the graphs of a system of linear equations and then solve the system. The practice exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 17 [Pdf]
Students solve a system of linear equations using the elimination method. The practice exercise is available in PDF format.
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.
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 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.
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...
Texas Instruments
Texas Instruments: Glencoe Algebra 2: Augmented Matrices
Students will solve systems of linear equations.
Texas Instruments
Texas Instruments: Numb3 Rs: Matrix Operations
Based off of the hit television show NUMB3RS, this lesson shows students how using matrix multiplication can lead to solving real-world problems. In this situation, a painting is missing and the probability of travel betweek five cities...