Hi, what do you want to do?
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.
Khan Academy
Khan Academy: Manipulate Expressions Using Structure
Rewrite an expression containing two unknown variables by choosing a given equation that is equivalent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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.
Texas Instruments
Texas Instruments: Matrices Using Cas
This Computer Algebra System (CAS) activity encourages students to perform basic arithmetic operations on matrices, and solving a set of equations using CAS.