Education Technology

# Activities

• ##### Subject Area

• Math: Algebra I: Functions and Relations

9-12

60 Minutes

• ##### Device
• TI-89 / TI-89 Titanium
• TI-92 Plus / Voyage™ 200

## Polynomial Division

#### Activity Overview

This Computer Algebra System (CAS) activity encourages students to investigate polynomial division, the Remainder Theorem, and the Factoring Theorem.

#### Before the Activity

• See the attached PDF file for detailed instructions for this activity
• Print pages 1 - 3 from the attached PDF file for the class
• #### During the Activity

Distribute the pages to the class.

• Review the PropFrac and Expand-key methods that can be used to divide polynomials
• Find the remainder of this division
• Examine the relationship between the value of the polynomial, the linear factor, and the polynomial division
• Enter the polynomial expression and use different denominators to divide the polynomial
• Generalize the results for all linear divisors
• Enter a polynomial and factorize it
• #### After the Activity

Students' answer questions on the Activity sheet.

Review student results:

• As a class, discuss questions that appeared to be more challenging
• Re-teach concepts as necessary