MAT1275CO/OL27 – Fall 2021

Instructor: Suman Ganguli

Category: Class Agendas (Page 8 of 15)

Class #24 Agenda (Tues Oct 26)

October 26, 2021 / / 1 Comment

Class Info

Topics

  • Finish graphs of quadratic polynomials (OpenStax: Section 9.7)
    • “Transformations” (vertical & horizontal shifts) of parabolas
    • Examples from WebWork
  • Introduce the distance formula & equations of circles
  • Discuss Quiz #3

To-Do After Class

  • Work on Quiz #3 (due Friday 5pm)
  • Work on on WebWork sets re parabolas: “ParabolaLab”, “ShiftingParabolas”, “ParabolaVertices-CtS” (due Mon Nov 1)

Class #23 Agenda (Fri Oct 22)

October 22, 2021 / / 2 Comments

Class Info

Topics

  • Cont’d from yesterday: Graphs of quadratic polynomials ( y = ax^2 + bx + c )
    • parabolas – “symmetric open U shape”
    • the vertex ( x = -b/2a )
    • the y-intercept ( at y = c, i.e, at the point (0, c) )
    • the x-intercepts (solve ax^2 + bx + c = 0 )
      • the zeroes (the “roots”) of a quadratic polynomial = x-intercepts of the corresponding parabola!
    • see OpenStax Sec 9.6
    • “Transformations” (vertical & horizontal shifts) of parabolas
      • see OpenStax, Sec 9.7

To-Do After Class

  • Join peer-led tutoring session with Nojm Ahmed (12-1p via Zoom)
  • Finish WebWork set: “ComplexNumbers” (due tonight, Fri Oct 22)
  • Start on WebWork sets re parabolas: “ParabolaLab”, “ShiftingParabolas”, “ParabolaVertices-CtS” (due Thurs Oct 28)

Class #22 Agenda (Thurs Oct 21)

October 21, 2021 / / 1 Comment

Class Info

Topics

  • Graphs of quadratic polynomials (OpenStax: Sections 9.6 & 9.7)
    • Parabolas – basic shape, the vertex, the y-intercept, the x-intercepts
    • the zeroes (the “roots”) of a quadratic polynomial = x-intercepts of the corresponding parabola!
    • “Transformations” (vertical & horizontal shifts) of parabolas

To-Do After Class

  • Join peer-led tutoring session with Nojm Ahmed (12-1p via Zoom)
  • Finish WebWork set: “ComplexNumbers” (due Fri Oct 22)
  • Start on WebWork sets re parabolas: “ParabolaLab”, “ShiftingParabolas”, “ParabolaVertices-CtS” (due Thurs Oct 28)

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