# Math 1090.04 Homework 06 Spring 2013

```Math 1090.04 Homework 06
Spring 2013
Student ID Number:
Name
Instructions:
Each student is expected to follow the Homework Guidelines
described on the course webpage
• Solve the Part A Problems on your own paper.
• Solve the Part B problems in this handout.
• Attach this handout to the front of your homework assignment
• Chapter 2.4
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Text pages 119
-
125
Part A:
• Chapter 2.3 Text pages: 116-118
Problems: 6, 8, 10, 39-47
Special Instructions for chapter 2.3:
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—
—
—
—
Write the system of equations in matrix form
Write the augmented matrix for this system
Find the solution using Gauss-Jordan Elimination
“R” notation
-
indicate each step using the
Check you work using matrix multiplication
• Chapter 2.4 Text pages: 126-127
Problems: 1-7, 16 20, 25-30
Special Instructions for problems 25-30
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-
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Write the original system of equations in matrix form
Part 1:Finding the Inverse
MathlO9O.004
*
*
*
Homework 06, Page 2 of 3
Write the augmented matrix for finding the inverse matrix
Find the inverse using Gauss-Jordan Elimination indicate each step using
the “R” notation
Check you work using matrix multiplication
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Hint: AA’
—
20 February 2013
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I
Part 2: Solve the system of equations using the inverse
*
*
Solve using matrix multiplication as demonstrated in class
DO NOT WRITE IN THIS TABLE!!!
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