Dave's Web Corner

MTH-122W Week 11 (November 3-9)

recommended problems
- 4, 6, 12, 14, 16, 20, 22, 24, 32, 34, 38, 40, 42, 48, 56,
learning objectives
- define a square matrix
- define an identity matrix
- define the inverse of a square matrix
- find the inverse of a \(2 \times 2\) matrix
- find the inverse of a \(3 \times 3\) matrix
- use inverses to solve systems of linear equations
- use inverses in applications

recommended problems
- 2, 6, 8, 10, 12, 14, 16, 20, 22, 24, 28, 30, 34, 40, 42, 44, 48
learning objectives
- calculate the determinant of a matrix
- use cramer's rule to solve systems of linear equations in two and three variables

recommended problems
- 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40
learning objectives
- compute the partial fraction decomposition of a rational expression

recommended problems
- 2, 8, 12, 14, 20, 24, 28, 30, 32, 36, 40, 42, 48, 52, 56, 60, 64
learning objectives
- solve systems of nonlinear equations by substitution
- solve systems of nonlinear equations by elimination
- solve systems of nonlinear equations using technology
- using systems of nonlinear equations to solve applied problems

All assessments are completed at https://www.xyzhomework.com
Calendar of all XYZ Homework assessment deadlines (homework, quizzes, exams)
Homework
- Homework 11 due by 11:59pm, Saturday, November 9: Sections 8.5, 8.6, 8.7, 8.8
- Homework 12 due by 11:59pm, Saturday, November 16: Sections 9.1, 9.2, 9.3
Quiz
- Quiz 6 due by 11:59pm, Tuesday, November 12: Chapter 8
- Quiz 7 due by 11:59pm, Tuesday, November 26: Chapter 9
Exam
- Exam 3 due by 11:59pm, Thursday, November 14: Chapters 4, 8