THS Pre-Algebra Chapter 4

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Created by:

saffield  on October 24, 2011

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Math

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Expressions and Equations

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THS Pre-Algebra Chapter 4

Distributive Property
To multiply a sum by a number, multiply each number in parentheses by the number outside the parentheses
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Terms

Definitions

Distributive Property To multiply a sum by a number, multiply each number in parentheses by the number outside the parentheses
Equivalent Expressions Expressions that have the same value
Coefficient The numerical part of a term that contains a variable
Constant A term without a variable.
Like Terms Expressions that contain the same power, such as 2n and 5n
Term When plus or minus signs separate an algebraic expression into parts, each part is a term.
Simplest Form An algebraic expression in simplest form, has no like terms and no parentheses
Simplifying the Expression To use distribution to combine like terms
Equation A mathematical sentence that contains an equal sign (=)
Equivalent Equations Two or more equations with the same solution
Inverse Operations Operation that undoes another, such as addition or subtraction
Solution A value for the variable that makes an equation true.
Solving the Equation The process of finding a solution
Two-Step Equations An equation that contains two operation
Algebraic Expression An expression that contains sums and/or products of variables and numbers

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