ITT Technical Institute
Framingham, Massachusetts
Quarter 2 Electronics Mathematics
Instructor: Paul Burney

Name __________________________________


Algebra--Factoring and Multiplying Polynomials
(Test #6)

Instructions:

Please solve the following problems. Credit will be given for work completed so make sure to show it! All questions are worth 10 points.

Formulas:

The following formulas / examples involving factoring may be useful in the problems below.

 

Problems:

  1. Multiply the following polynomials:

    (x - 4) · (x + 4)




    (3x - 2y) · (4x + 3y)




    (3y - 7) · (3y + 7)




    (x - 9)
    2




  2. Factor the following polynomial expressions:

    x2 - 16




    x
    2 + 14x + 49




    a
    3 - 27




    5xy - 7x




    8a
    2b + 14ab3




    9x
    2 - 24xy + 16y2