Pre-Calculus
Rational Expressions 3: Multiplying and Dividing
In addition to covering multiplication and division of rational expressions, some background is given as
In addition to covering multiplication and division of rational expressions, some background is given as
This lesson covers adding and subtracting rational expressions in many different situations. It is intended
Lesson 1 explains how to simplify a single rational expression, and gives the rationale for
Factoring 5 covers factoring a cubic expression by using a combination of trial and error
Factoring 4 introduces factoring a sum and difference of squares, again reinforcing the difference between
Factoring 3 covers difference of squares and also discusses common difficulties, such as recognizing when
Factoring 2 reviews trinomials both with and without leading coefficient 1, as well as perfect
Factoring 1 covers the definition of factoring and introduces GCF factoring, including rational exponents and
The introduction of vector quantities, in comparison to scalar quantities, is presented in this video.
This video reviews some important notions related to geometry and trigonometry as seen in grades
Being able to convert S.I. Units is a useful skill that applies to math as
This video reviews how to transform numbers into scientific notation, which is a useful tool