Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations With Algebraic Methods

For Students 9th - 10th Standards
Given verbal and/or algebraic descriptions of situations involving systems of two-variable linear equations, the student will solve the system of equations by different methods.
Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations With Graphs

For Students 9th - 10th Standards
Given verbal and/or algebraic descriptions of situations involving systems of linear equations, the student will solve the system of equations using graphs. Incorporates GeoGebra applets.
eBook
Math Planet

Math Planet: Algebra 2: Solving Systems of Equations in Two Variables

For Students 9th - 10th Standards
Provides examples and a video lesson that illustrate how to solve systems of equations in two variables. [1:43]
Lesson Plan
Khan Academy

Khan Academy: Lsn 13: Systems of Equations, Algebraic and Graphical Representations

For Teachers 9th - 10th Standards
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...
Activity
Purple Math

Purplemath: Systems of Linear Equations: Definitions

For Students 9th - 10th Standards
Covers the basic definitions involved in systems of linear equations.
Unit Plan
PBS

Pbs: Graphing a System of Equations

For Students 6th - 8th
Solve a number riddle by finding the point of intersection for two lines. This video focuses on finding the solution for a system of equations, they are represented as an algebraic expression and a set of linear equations that are...
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Linear Inequalities

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that illustrate how to solve linear inequalities (both single and double) and also interval notation.
Unknown Type
Math Drills

Math drills.com: Algebra Worksheets

For Students 9th - 10th
Download these worksheets to sharpen your algebraic skills. Sheets focus on missing numbers, translating, simplifying and evaluating algebraic phrases, rewriting formulas, solving linear equations, systems of linear equations and inverse...
Activity
Other

Simon Fraser University: Background for Linear Systems

For Students 9th - 10th
This site from the Simon Fraser University gives an introduction to solving a system of differential equations.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei Pythagorean Triples

For Teachers 9th - 10th Standards
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.