Dave's Web Corner

MTH-119W Week 6 (October 3-9)

• Outline
• Assessments
• Handouts
• Video
• Technology

Outline

4.1 Systems of Linear Equations in Two Variables

• recommended problems
  • 7, 17, 21, 31, 37, 43, 45, 47, 53, 57
• learning objectives
  • solve a system of linear equations in two variables graphically
  • solve a system of linear equations in two variables using the addition method
  • solve a system of linear equations in two variables using substitution
  • recognize an inconsistent system or a system with dependent equations

4.2 Systems of Linear Equations in Three Variables

• recommended problems
  • 5, 7, 11, 13, 17, 21, 25, 27, 31, 33
• learning objectives
  • determine if an ordered triple is a solution to a system of linear equations in three variables
  • solve a system of three linear equations in three variables
  • recognize a system of linear equations in three variables having dependent equations
  • recognize an inconsistent system of linear equations in three variables

4.3 Applications

• recommended problems
  • 5, 9, 13, 17, 19, 21, 25, 29, 31, 33
• learning objectives
  • solve applications with two unknowns using a system of two linear equations in two variables
  • solve applications with three unknowns using a system of three linear equations in three variables

5.1 Sums and Differences of Polynomials

• recommended problems
  • 19, 23, 27, 31, 37, 43, 47, 53, 57, 65
• learning objectives
  • give the degree of a polynomial
  • add and subtract polynomials
  • evaluate a polynomial for a given value of its variable

Assessments

• All assessments are completed at https://www.xyzhomework.com
• Homework
  • Homework 5 due Friday, October 8 by 11:59pm: Sections 4.1, 4.2, 4.3, 5.1
  • Homework 6 due Friday, October 15 by 11:59pm: Sections 5.2, 5.3, 5.4
• Quiz
  • Quiz 4 due Saturday, October 9 by 11:59pm: Sections 4.1-4.3
  • Quiz 5 due Saturday, October 23 by 11:59pm: Sections 5.1-5.8
• Exam
  • Exam 2 due Saturday, November 6 by 11:59pm: Chapters 4, 5, 6
  • Exam 3 due Friday, December 17 by 11:59pm: Chapters 7, 8, 9

Handouts

• Announcements
  • Schmidt Award
  • Math Graduate Award
  • Honors Program introduction
  • Tutoring Center services
  • MTH-119W Study Groups
• Graph Paper
  • Rectangular Grids 1 Large Coarse
  • Rectangular Grids 1 Large Medium
  • Rectangular Grids 3 Small
  • Rectangular Grids 6 Small
• Basic Graphs
  • Key Points of the Basic Graphs
• Quadratic Functions
  • Completing the Square
  • Completing the Square Examples
  • Complete The Square And The Quadratic Formula
  • The Quadratic Formula
  • Parabola Facts
  • Drawing Parabolas
• Polynomials
  • Polynomials
  • Polynomial Multiplication
  • Polynomial Long Division
  • Synthetic Division and the Remainder Theorem
  • General Synthetic Division
  • Greatest Common Factors and Grouping
  • Factoring Trinomials
  • Factoring Special Forms
  • Polynomial Equations

Video

• Playlists
  • MTH-119W Recommended Problems
  • MTH-119W Topics
• Recommended Problems
  • Chapter 4
  • Chapter 5
• Topics
  • Lines
    • Graph a Horizontal Line
    • Convert from Standard Form to Slope-Intercept Form
    • Graph a Line in Standard Form
    • Graph a Line with Slope and Intercept
    • Constructing a Parallel Line
    • Constructing a Perpendicular Line
  • Linear Regression
    • linear regression
  • Linear Systems
    • Linear Systems Addition Method
    • Linear Systems and Matrices

Technology

• Communication
  • Zoom
  • Microsoft Lens
  • Apple Notes
  • Adobe Scan
  • Joining a Zoom Webinar
• Desmos
  • Some Basic Graphs, Points, and Tables
  • Various Line Equations
  • Basic Absolute Value Graphs
  • Systems of Linear Equations
  • Linear Systems - Intersecting Lines
  • a parabola through three points