Find zeroes and factors of polynomials
In this example we use the rational root theorem and synthetic substitution to find the zeros and factors of a polynomial to the third degree.
12 Jun 20136min
Verifying Trigonometric Identities 2
In this episode, there are 2 examples of verifying trig identities that I would rate on the more difficult side. More advanced strategies are needed such as factoring and finding a common denominator...
11 Jun 20135min
Verifying Trigonometric Identities
In this episode, we look at verifying trig identities. There are 3 examples that I would rate on the easier side. You need to start somewhere.
11 Jun 20135min
What is a Podcast?
This podcast is not about math. This is just a simple explanation of what a podcast is. I have created this podcast to help my students learn more about podcasts. They will eventually help me make ...
22 Jul 20103min
Solve a quadratic equation by using substitution 2
Here is another example how to use substitution to solve a quadratic equation. Now I know that there are other ways to solve this particular example (squaring both sides), but I wanted to show that s...
23 Mar 20103min
Solve a quadratic equation by using substitution
Sometimes we will encounter a problem that just looks ugly. In other words, it is one of those problems we just would rather skip. However, as you will see in this problem, substituting a quantity f...
23 Mar 20102min
Graphing a quadratic in vertex form 2
Here is another example of graphing a quadratic equation that is in vertex form. In this example, a is negative which causes the graph to open down and frown:-(
23 Mar 20103min
Graphing a quadratic in vertex form
Graphing a quadratic equation is not a difficult task. Here are the main things to find: the vertex, the axis of symmetry, the y-intercept, and the x-intercepts. Use the fact that a parabola is sym...
23 Mar 20103min
