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Help algebra.com: Multiplication and Division
Multiplication and division of real numbers is demonstrated in this lesson using charts and examples.
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Help algebra.com: Multiplication Principle
Multiplying on both sides of an equation is demonstrated with several examples. The resource also includes dividing on both sides in order to solve an equation.
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Help algebra.com: Order of Operations
Each step of the Order of Operations is described, then demonstrated in an example. A note on calculator use with order of operations is also included.
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Help algebra.com: Percents
Converting percents to and from decimals and fractions is demonstrated in detailed examples. Once the concept is understood, you can use it to solve equations that contain percents.
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Help algebra.com: Polynomials
Polynomials are defined, then the parts of a polynomial are identified. The resource also gives examples of different types of polynomials.
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Help algebra.com: Positive Integer Exponents
The Product of a Power and Power to a Power laws of exponents are introduced. Examples are included to demonstrate how to simply expressions with these laws.
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Help algebra.com: Quadratic Equations
After defining a quadratic equation, this site shows you what the graphs of quadratics look like and how to use the graphs to determine the numbers of solutions to the quadratic. A brief explanation is included on how graphing...
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Help algebra.com: Quadratic Formula
This presentation of the quadratic equation includes a discussion on the discriminant and a derivation of the quadratic formula.
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Help algebra.com: Rational Expressions
In addition to defining rational expressions, this resource demonstrates how to find the excluded values and zeros of the expressions.
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Help algebra.com: Rationalizing the Denominator
Learn to simplify radical expressions by removing radicals from denominators. The demonstration includes both single radicals and binomials that require the use of a conjugate.
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Help algebra.com: Rectangular Coordinates
The parts of the coordinate plane are described and plotting ordered pairs is demonstrated with several examples. The four quadrants of the coordinate plane are also defined.
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Help algebra.com: Roots
After defining roots (radicals), this resource focuses on square roots. Examples are given to demonstrate how to simplify, find principal roots, and gives several properties of square roots.
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Help algebra.com: Simplifying Expressions
Learn to simplify expressions using like terms, parentheses. Also learn the best way to work with a negative in the expression.
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Help algebra.com: Simplifying Radical Expressions
Simplifying radicals that do not contain perfect squares can be done easily by following the steps outlined on this resource. Use the examples to see exactly how to do this.
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Help algebra.com: Simplifying Rational Expressions
The process of factoring and canceling is used to simplify, multiply, and divide rational expressions. Adding and subtracting rational expressions is also demonstrated, including finding common denominators.
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Help algebra.com: Solutions of Algebraic Equations
This resource defines an algebraic equation, then describes what is meant by a solution to an equation. Types of solutions (one solution, no solution, infinite solutions) are also defined.
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Help algebra.com: Solving Quadratics by Factoring
Tips for factoring quadratics are given and demonstrated in several examples. The examples include quadratics that have both two and three terms.
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Help algebra.com: Special Products
The difference of two squares and squaring binomials are the focus of this resource. Examples demonstrate how to multiply these special polynomials.
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Help algebra.com: Steps for Factoring Trinomials
Ever have trouble knowing where to start factoring? This summary gives steps for how to factor and tips on what to look for in the quadratics.
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Help algebra.com: Substitution Method for Systems
Using the Substitution Method, a system of equations is solved. The process is shown in detail and can be used as a reference for solving other systems
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Help algebra.com: Using Principles of Equality
An equation is solved using both the addition and multiplication principles of equality. This example can be used as a model for solving similar equations.
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Help algebra.com: Words for Operations
The table presented includes common words and phrases used in mathematics along with their algebraic form. This table is helpful for translating word problems into equations.
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Helpalgebra: Geometrical Approach to Completing Square
Using geometrical diagrams, the process of completing the square is demonstrated. Applying this visual approach will help to see why the process works.
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Algebra Help: Algebraic Expressions
The parts of algebraic expressions are defined, accompanied by examples. Covers variables, constants, terms, factors, and coefficients.