algebraic expressions evaluating algebraic expressions ......1.1 algebraic expressions evaluating...
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1.1 Algebraic Expressions
Evaluating Algebraic Expressions Variable: Algebraic Expression or Variable Expression: Evaluate: Steps to Evaluate an Algebraic Expression: 1. 2. PEMDAS
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Symbol, usually a letter, that represents one or more numbers.
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An expression that contains one or more variables
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Substitute in numbers for the variables and solve
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Substitute the number in for the variables
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Follow the steps of PEMDAS
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Parentheses Exponents Multiplication Division Addition Subtraction
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Order of operations
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Simplifying Algebraic Expressions Parts of an algebraic expression
7x! + 3y Term: Coefficient: Like Terms:
Properties for Simplifying Algebraic Expressions Let a, b, and c represent real numbers.
Definition of Subtraction
Definition of Division
Distributive Property for Subtraction
Multiplication by 0
Multiplication by -1
Opposite of a Sum
Opposite of a Difference
Opposite of a Product
Opposite of an Opposite
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Term
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Coefficients
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Number, variable, or the product of a number and one or more variables.
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The numerical factor in a term
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Have the same variables raised to the same powers
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Ex: 3r and -r are like terms and -2xy and 3xy are like terms.
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a - b = a + (-b)
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