Monthly Archives: March 2017

Topics: • The Quadratic Formula and what we can learn from it about solutions to quadratic equations • Graphs of quadratic functions   Summary of what the Quadratic Formula tells us about the solutions to quadratic equations: These observations come … Continue reading →

Here is the Test 2 review Self-Test (it is broken into two parts, which you should use separately to test yourself): MAT1275Test2ReviewSpring2017 And here are the answers along with references to review: MAT1275Test2ReviewAnswersSpring2017

Topics: • More on using the Square Root Property (from discussion of homework problems) • Perfect squares of binomials (perfect square trinomials) and Completing the Square • Quick look at solving quadratic equations by completing the square, to get to… … Continue reading →

Topics: • Solving quadratic (and other polynomial) equations using the Zero Product Principle (section 4.8, up to Example 4 – here is a source which discusses factoring by grouping, also known as the ac method, for the case where the … Continue reading →

Topics: • Discussion of homework problems on solving radical equations, p. 538 #22, 24, 38, 40, 42 Once again, emphasizing that when checking the answers, we need to distinguish the times that the checking fails because we made an error … Continue reading →

Topics: • More on solving radical equations • What if a “solution” does not check? • Introduction to complex numbers: imaginary numbers Examples we worked in class: • Pairs worked on the second problem in this document: MAT1275RadicalEquations. One new … Continue reading →

(after Test 1) Topics: (from Section 6.7 in the textbook) • Introduction to Radical Equations • Solving radical equations, part 1   Our method for solving radical equations is as follows: • First, isolate the radical (if necessary) • Then … Continue reading →

Please keep checking back for the posts with notes/assignments from the class meetings this week. I am working on them, but in the meantime… There are some WeBWork  assignments, some due by Sunday evening (I extended them) and make sure that you … Continue reading →