3.1 Operations with Complex Numbers

Comic of the Day

Tip: Imagine how much funnier this joke will be once you learn about imaginary numbers.

Review Unit 4 Exam (class average 72%)

Warm Up and Questions from the Homework
a) Multiply 2x - 3y by its conjugate
b) Simplify 




Announcements

• Next quiz Thu, Apr 4 (3.1, 8.3-8.4 Complex Numbers, Polar or Trigonometric Form)
• Next unit exam Thu, Apr 18 (55 minutes, in class)
• Summary of Studying (SOS) must be completed to write unit exam

Today - 3.1 Operations with Complex Numbers

a) Solve

b) Graph


Notes

Homework
3.1 #1-87

Tomorrow - 8.3 Graphing Complex Numbers, Trigonometric Form
Preread 8.3

For more information

https://www.khanacademy.org/math/algebra/complex-numbers/complex_numbers/v/complex-numbers
https://www.khanacademy.org/math/algebra/complex-numbers/complex_numbers/v/complex-numbers--part-1
https://www.khanacademy.org/math/algebra/complex-numbers/complex_numbers/v/complex-numbers--part-2
http://patrickjmt.com/adding-and-subtracting-complex-imaginary-numbers/
http://patrickjmt.com/rewriting-radicals-using-complex-numbers/
http://patrickjmt.com/rewriting-powers-of-i-ex-1/
http://patrickjmt.com/rewriting-powers-of-i-ex-2/
http://patrickjmt.com/complex-numbers-graphing-adding-subtracting/
http://patrickjmt.com/complex-numbers-multiplying-and-dividing/
http://patrickjmt.com/complex-numbers-multiplying-ex-1/
http://patrickjmt.com/complex-numbers-multiplying-ex-2/
http://patrickjmt.com/complex-numbers-dividing-ex-1/
http://patrickjmt.com/complex-numbers-dividing-ex-2/
http://patrickjmt.com/complex-numbers-dividing-ex-3/