# Search for tag: "difference"

#### Simplifying a sum or difference of radical expressions: Univariate

This includesradicals that contain variable factors, but continues the simplification of various terms in a sum or difference so that possible like terms can be added orsubtracted.

From  Tom Grant 6 plays 0

#### Complex fraction made of sums involving rational expressions: Multivariate

Simplifies a complex fraction by distributing the LCD of each small fraction across the top and the bottom so that all small fractions can be swept away.

From  Tom Grant 8 plays 0

#### Complex fraction made of sums involving rational expressions: Problem type 3

A complex fraction is multiplied through on the top and the bottom by the common denominator of all smaller fractions, eliminating the denominators of those smaller fractions.

From  Tom Grant 7 plays 0

#### Simplifying a sum or difference of two univariate polynomials

This shows both a subtraction and an addition example for finding the sum and difference of two trinomials.

From  Tom Grant 17 plays 0

#### Graphing a compound inequality on the number line.

This presents how to graph two inequalities that are connected by either the word "or" or the word "and"

From  Tom Grant 8 plays 0

#### Writing a one-step expression for a real-world situation

Some discussion of vocabulary combined with writing a simple expression from a verbal description.

From  Tom Grant 7 plays 0

#### Evaluating a quadratic expression: Integers

Given a value for the variable, here a quadratic expression is then calculated with that given value put in place of the variable.

From  Tom Grant 5 plays 0

#### Identifying numbers as integers or non-integers

A brief description of what integers consist of followed by a list of numbers where it is decided whether each is an integer or not.

From  Tom Grant 5 plays 0

#### Integer multiplication and division

A review of the sign results when multiplying integers and then three examples to demonstrate those rules.

From  Tom Grant 10 plays 0

#### Special products of radical expressions: Conjugates and squaring

A demonstration of squaring a binomial with radical terms and then a second example showing how conjugate binomials can be multiplied.

From  Tom Grant 11 plays 0

#### Solving a rational equation that simplifies to linear: Factorable quadratic denominators

Demonstrates using factoring skills to separate and identify all of the necessary factors that make the LCD (Least common denominator) that can be used as a multiplier through a rational equation to…

From  Tom Grant 12 plays 0

#### Simplifying a ratio of polynomials: Problem type 1

This shows how to factor the numerator and denominator of a fraction in algebra so that we can reduce the same factors ono the top and the bottom because they divide to one.

From  Tom Grant 9 plays 0

#### Domain of a rational function: Excluded values

Shows how to find out what values are not defined for a rational function. This ability will be needed when solving rational equations because you may come up with a value that is not valid when…

From  Tom Grant 9 plays 0

#### Factoring a polynomial involving s GCF and a difference of squares: Univariate

A two-step process involving first removing the greatest common factor from both terms, then factoring the resulting difference of squares.

From  Tom Grant 11 plays 0

#### Finding the original price given the sale price and percent discount

Explains the pitfalls that you need to know about to correctly do this problem. It is not as easy as it seems at first glance, so pay close attention to this video.

From  Tom Grant 0 plays 0