Search for tag: "subtraction"

Adding rational expressions with linear denominators with common factors: Basic

This shows how to determine a common denominator when the denominators share at least one factor. A numerical version is included for more understanding, and the rational expressions are added and…

From  Tom Grant 22 plays 0  

Adding rational expressions with common denominators and binomial numerators

This demonstrates adding two rational expressions that have different terms individually in the numerator and a common denominator. When the fractions are added, it creates the possibility of adding…

From  Tom Grant 9 plays 0  

Simplifying a ratio of linear polynomials: 1, -1, and no simplification

This shows four examples just to cover a variety of "looks". There is at least one of each tyoe,

From  Tom Grant 11 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 21 plays 0  

Introduction to the power of a product rule of exponents

A short demo of this rule

From  Tom Grant 5 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  

Solving a linear equation with several occurrences of the variable: Variables on the same side and distribution

A more complicated version of solving an equation. It specifically addresses dealing with two variable terms on the same side of the equals sigh.

From  Tom Grant 8 plays 0  

Introduction to solving an equation with parentheses

A simpler version of an equation that needs distribution across a set of parenthese as the first step to solving for the variable

From  Tom Grant 7 plays 0  

Introduction to solving an equation with variables on the same side

A short and simple demo about adding like variable terns that are together on one side of the equals sign in an equation.

From  Tom Grant 6 plays 0  

Solving a two-step equation with integers

It's just what the title says. We use opposite operations on one side to eliminate values that are with the variable and perform the same operations to the other side of the equals sign to keep…

From  Tom Grant 4 plays 0  

Additive property of equality with whole numbers

A short demo involving subtracting whole numbers from both sides of an equation. There are two examples.

From  Tom Grant 4 plays 0  

Addition and subtraction with 3 integers

This describes how integers interact when combined, treating minus signs as a negative sign on the number and thinking that all of the integers are being added with negatives and postives working in…

From  Tom Grant 11 plays 0  

Square root of a perfect square

Shows how square rooting is the opposite of squariing

From  Tom Grant 7 plays 0  

Special products of radical expressions: Conjugates and squaring

This demonstrates the squaring of a binomial with radical terms and the multiplication of conjugates (sum and differences of the same terms)

From  Tom Grant 15 plays 0  

Introduction to square root addition or subtraction

Two examples showing the addition or subtraction of like radicals

From  Tom Grant 13 plays 0  

Rational exponents: Products and quotients with negative exponents

Shows how to manipulate fractional exponents in variou sways

From  Tom Grant 8 plays 0