Kelly MacArthur

Assistant Chair
Instructor Lecturer

Office: JWB 218
Email: macarthur@math.utah.edu

University of Utah
Department of Mathematics
155 S. 1400 E. JWB 233
Salt Lake City, UT
84112-0090 USA

Math1090 Business Algebra
Fall, 2017


Course Information



Class Notes



Class Schedule/Task List

Business Algebra Lecture Videos (Note: All videos listed below by name refer to videos on this link.)

    Week 1 (August 21-25)

  • For Tuesday's class: Intro/be prepared for review assignment

  • For Thursday's class, watch videos:
        1.1 Linear Equations in One Variable


    Week 2 (August 28-September 1)

  • For Tuesday's class, watch videos:
        1.2 Linear Inequalities in One Variable
        1.3 Equations of Lines

  • For Thursday's class, watch videos:
        1.4 Systems of Linear Equations


    Week 3 (September 4-8)

  • For Tuesday's class, watch videos:
        1.5 Functions
        1.6 Linear Business Applications

  • For Thursday's class, watch videos:
        1.7 Linear Inequalities in Two Variables


    Week 4 (September 11-15)

  • For Tuesday's class, watch videos:
        1.8 Graphical Linear Programming
        2.1 Basic Operations with Matrices

  • For Thursday's class, prepare for Midterm Review

    Week 5 (September 18-22)

  • For Tuesday's class, be prepared to take Midterm 1.

  • For Thursday's class, watch videos:
        2.2 Matrix Multiplication
        2.3A & B Gauss-Jordan Elimination (parts 1 & 2)


    Week 6 (September 25-29)

  • For Tuesday's class, watch videos:
        2.4 Inverse Matrices

  • For Thursday's class, watch videos:
        2.5 Application Problems with Matrices


    Week 7 (October 2-6)

  • For Tuesday's class, watch videos:
        3.1 Quadratic Equations in One Variable
        3.2 Parabolas: Quadratic Equations in Two Variables

  • For Thursday's class, watch videos:
        3.3 Quadratic Business Applications


    Fall Break: October 9-13 is Fall Break--there is NO school!


    Week 8 (October 16-20)

  • For Tuesday's class, watch videos:
        3.4A & B Polynomial Functions (parts 1 & 2)
        3.6 Transformations of Graphs

  • For Thursday's class, prepare for Midterm Review

    Week 9 (October 23-27)

  • For Tuesday's class, be prepared to take Midterm 1.

  • For Thursday's class, watch videos:
        3.7 Combinations of Functions
        4.1 Inverse Functions


    Week 10 (October 30-November 3)

  • For Tuesday's class, watch videos:
        4.2 Exponential Functions
        4.3 Logarithmic Functions

  • For Thursday's class, watch videos:
        4.4 Properties of Logarithms

    Week 11 (November 6-10)

  • For Tuesday's class, watch videos:
        4.5 Logarithmic and Exponential Equations
        4.6 Logarithmic and Exponential Business Applications

  • For Thursday's class, watch videos:
        5.1A & B Arithmetic and Geometric Sequences (parts 1 & 2)

    Week 12 (November 13-17)

  • For Tuesday's class, watch videos:
        5.2 Simple and Compound Interest

  • For Thursday's class, prepare for Midterm Review

    Week 13 (November 20-24)

  • For Tuesday's class, be prepared to take Midterm 1.

  • For Thursday: relax and eat your Thanksgiving dinner!

    Week 14 (November 27-December 1)

  • For Tuesday's class, watch videos:
        5.3 Future Value of Annuities

  • For Thursday's class, watch videos:
        5.4 Present Value of Annuities

    Week 15 (December 4-8)

  • For Tuesday's class, watch videos:
        5.5 Amortization and Loans

  • For Thursday's class, be prepared for Final Review.

    Week 16 (December 12-16) (FINAL EXAMS WEEK)

  • Friday, December 15, 3:30 to 5:30 p.m., Final Exam


Exam Reviews

  • Midterm 1 Review: (covers sections 1.1-1.8, 2.1)
    Note: For the exam, you may bring one 5x8 inch note card (front and back) to use as reference. I'll provide the blank note card for you in class. You can also bring a scientific calculator, but no graphing or programmable calculator will be allowed.

  • Midterm 1 Review Book Assignment and Key to all Review assignments in book (including chapter 1 Review key)

  • Extra Review Problems & Key