Education Technology

### 3x3 Linear Systems of Equations

This lesson involves connecting graphical representations of systems of linear equations in three variables to the number of solutions of those systems.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS

### Building Sequences and Series with a Spreadsheet

This lesson has students create sequences and series in a spreadsheet.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Cryptology and Matrices

This lesson involves using matrices to encode and decode a message.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### From Rumor to Chaos

This lesson involves modeling the spread of a rumor and similar problems.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Linear Transformations

This lesson involves linear transformations from R2 to R2 represented by matrices. Note: R2 = R x R represents the set of all pairs of real numbers.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Parabolas and Matrices

This lesson involves using matrices to solve a system of three simultaneous linear equations.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Roots and Cobwebs

This lesson involves finding roots to equations using a method similar to those used by many calculators.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS