Monthly Archives: October 2018

Topics: • Perfect square trinomials • The Square Root Property • Completing the square to solve a quadratic equation [link to YouTube]   It is very important to practice using the perfect square patterns so that you can recognize them … Continue reading →

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 →