Algebra Two Name:

Chapters 1 & 3 Homework Assignment List Period: Date:

Unit Umbrella Questions

• Describe the procedure used to multiply matrices.
• Explain how you can determine if two matrices are inverses of each other.
• Describe the four methods of solving a system of linear equations.

Section 1-3A Page 53-56 #1, 2-10 even, 13, 15, 25, 39

§ What conditions are necessary in order to add matrices? Describe how to add matrices.

Section 1-3B (Day 1) Page 62 #1-15

§ Explain how to find the product of two matrices.

Section 1-3B (Day 2) Worksheet

§ In order to multiply matrix A by matrix B, what must be true of the dimensions of the two matrices?

Section 1-3B (Day 3) Page 63-65 #18, 19, 34-40, 42, 44 (USE CALCULATOR ON

THIS ASSIGNMENT!!)

§ How can you use the labels for the rows and columns of two matrices to determine the order of multiplication?

Section 3-1C Page 182-184 #1-5, 12-14

§ What does it mean to solve a system of equations? When do no solutions exist? When do infinite solutions exist?

Section 3-1C (Day 2) Worksheet

§ Suppose the coefficient matrix does not have an inverse. Explain how you can use this information to determine whether the equations have no solutions or infinite solutions.

Section 3-1D Page 190-191 #3-5, 10, 19-20, & 23-26 (SOLVE USING MATRICES AND WITH USE OF YOUR CALCULATIOR ON THIS ASSIGNMENT)

§ Which method (substitution, linear combination, graphing or matrices) is least practical for solving a 3 x 3 system? Which seems most useful? Justify your choices.

Chapter 1 and 3 Review Review Packet

§ Answer the unit umbrella questions. Do this on a separate sheet of paper. This assignment is worth an additional 4 points!!!

COMPLETING YOUR HOMEWORK EVERYDAY IS ONE OF THE KEYS TO SUCCESS IN MATHEMATICS ALONG WITH ASKING QUESTIONS!!!