Instructor: Suman Ganguli

Class #20 Agenda (Fri Oct 15)

Class Info

Topics

  • “Imaginary” and complex numbers: i = sqrt(-1), complex numbers a + bi
  • Graphs of quadratic functions (parabolas)

To-Do After Class

  • Finish WebWork set: “SquareRootProperty” (due tonight – Friday Oct 15)
  • Work on “QuadraticFormula” and “Complex Numbers” (due Tues Oct 19 & Fri Oct 22, respectively)

2 Comments

  1. Suman Ganguli

    Emma posted this link in the WhatsApp group–KhanAcademy’s “Complex Numbers” unit in their Algebra 2 course
    https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:complex

  2. Suman Ganguli

    see also this PatrickJMT YouTube playlist re complex numbers:

    (Note that the playlist contains 21 short videos, but we are covering the material in only the 1st 11 videos)

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