Author Archives: Sybil Shaver

Topics: • Definition of a complex number • Real and Imaginary parts of a complex number • Complex conjugates • Product of complex conjugates: Theorem: $(a+bi)(a-bi) = a^{2}+b^{2}$ (easy to prove). • Division of complex numbers (rationalizing the denominator really) … Continue reading →

Here are solutions to Test 1, depending on which version you got: MA1275Test1AanswersFall2018   MA1275Test1BanswersFall2018

(after Test 1) TO BE UPDATED!!!   Topic: Complex Numbers and powers of i sources: Cool Math: What are complex numbers? On powers of i

Test 1 is rescheduled for Monday 15 October.

Test 1 is scheduled for the first 50 minutes or so of class on Monday 15 October (CORRECTION!!!). Please see my course information for policies related to tests. Here are two self-tests showing the material that will be covered on … Continue reading →

Due to unforeseen complications, the posts for yesterday’s class and for the Test 1 review are delayed. I expect to be able to post them this evening sometime. In the meantime, make sure that you check last time’s post and … Continue reading →

Topics: In case you prefer to view videos on any of these topics, Here is a copy of the Course Outline with links to video resources for each topic. • Simplifying Radical Expressions • Addition and Subtraction of Radicals   Homework: … Continue reading →

Topics: In case you prefer to view videos on any of these topics, Here is a copy of the Course Outline with links to video resources for each topic. • Roots and Radicals – there are two WeBWorK assignments on this … Continue reading →

Topics: In case you prefer to view videos on any of these topics, Here is a copy of the Course Outline with links to video resources for each topic. • Complex Fractions Method II In this method, we simplify a complex … Continue reading →

Topics:   In case you prefer to view videos on any of these topics, Here is a copy of the Course Outline with links to video resources for each topic. Those videos were especially selected by teachers of MAT 1275 here … Continue reading →