simplifying expressions.pptx

simplifying expressions.pptx - Algebra Simplifying...

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Algebra Simplifying algebraic expressions
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Why simplify? By simplifying we mean writing the expression in the most compact or efficient way possible Without changing the value of the expression Simpler expressions are easier to work with than more complex expressions
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Review of algebraic expressions Algebraic expression : an expression that combines variables, constants and arithmetic operations Variable : a letter that represents an unknown number Constant : a known number
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Expanding the language of algebraic expressions Each component of an algebraic expression is known as a term A term is either a number, a variable, or the product of numbers and variables Examples: , ,
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Expanding the language of algebraic expressions Terms can have coefficients A coefficient is a number that is used to multiply variables Term Coefficient 3 5 2 1
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Expanding the language of algebraic expressions A constant term is a term that is just a number There are no variables in constant terms Examples: 4, 100, -2
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