Math 9, Lesson 4, Fall 2018, 9/30/2018

Weidong Posted in Fall 2018, Homework, Math 9, Teaching info，
30 September 2018
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We continue our study of complex number. Today we talk about representing complex numbers in Complex Plane and how to calculate the magnitude of a complex number. We also look at various properties of a complex number with its conjugate.

Homework: Page 1, Page 2, Page 3,

3.2.1 – 3.2.7, 3,3.1 – 3.3.1 – 3.3.7

AoPS Algebra 2, Lesson 4, Fall 2018, 9/30/2018

Weidong Posted in Algebra 2, Fall 2018, Teaching info，
30 September 2018
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We study inequalities for the next three lessons. We cover 12.1 and 12.2 sections on inequality manipulation and trivial inequalities.