Grades: 9 - 12
Subjects: Algebra, Algebra II, and Trigonometry

Roots and Factors


Do you need an alternate method to traditional polynomial factoring? How about using the TI-82 and the roots of the polynomial equation? Consider the general polynomial

. If the roots of the polynomial equation are m and n, then the factors are

respectively (x-m) and (x-n).



Name _________________________________ Date ___________________

Find the roots of the following quadratic equations graphically and then determine the factors of the quadratic.

Journal: Write a paragraph describing your experience using a graphing calculator to find the roots and determine the factors.