precalculus
ma115 fall 2022: northern michigan university

notes from lectures are found by clicking on the corresponding day/week. blank activities we work on in class are in the bulleted list below the corresponding day. study guides and practices exams all can be found here.

class notes

week 1
  • exercises: basics
  • monday
  • wednesday
  • thursday
  • friday
  • week 2
  • monday: holiday
  • wednesday: quadratics
  • thursday: function composition
  • friday: inverses / composition / factoring
  • week 3
  • monday: factoring rational, algebra
  • wednesday: lines
  • thursday:
  • friday: quadratics
  • week 4
  • monday:
  • wednesday:
  • thursday: exam preview
  • friday: exam 1
  • week 5
  • monday: asymptotes
  • wednesday: long division / zeros /
  • thursday more asymptotes / long division
  • friday
  • week 6
  • monday:
  • wednesday:
  • thursday:
  • friday:
  • week 7
  • monday
  • wednesday
  • thursday
  • friday:
  • class notes

    week 8
  • monday
  • thursday:
  • friday:
  • week 9
  • monday
  • wednesday
  • thursday
  • friday
  • week 10
  • monday
  • wednesday
  • thursday
  • friday
  • week 11
  • monday
  • wednesday
  • thursday
  • friday
  • week 12
  • monday: trigonometry: identities
  • wednesday trig identities
  • thursday trig equations and identities
  • friday modeling with trig functions
  • week 13
  • monday: law of sines & cosines
  • wednesday: law of sines & cosines
  • thursday: applications
  • friday: exam preview
  • week 14
  • monday:
  • wednesday:
  • thursday: exam preview
  • friday: exam preview
  • study guides

  • exam 1 | solutions
  • exam 2 | solutions
  • exam 3 | solutions
  • exam 4 | solutions
  • final | solutions