Graded Assignment Name: MTH123B: Algebra I | Unit 3 | Lesson 9: Working with Polynomials Unit Test Date: Graded Assignment

Unit Test, Part 2

Show all your work.

(6 points) 1. Examine the following drawing. Show the sum of the areas of the four smaller

rectangles and the sum of the area of the large rectangle. In your own words, explain how

they are related and why this is so. Score Answer: © 2008 K12 Inc. All rights reserved.

Copying or distributing without K12’s written consent is prohibited. Page 1 of 2 Graded Assignment MTH123B: Algebra I | Unit 3 | Lesson 9: Working with Polynomials Unit Test (8 points) 2. Simplify each expression. Score a. (3xy3)2(2x3y)3

b. ( x 2 + 2 x + 3)( x 2 − 2 x − 2) Answer: Your Score © 2008 K12 Inc. All rights reserved.

Copying or distributing without K12’s written consent is prohibited. ___ of 14 Page 2 of 2