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22 Cards in this Set
- Front
- Back
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additive identity property
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zero added to any number does not change the number, e.g. -5+0=-5
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associative property of addition
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changing the grouping of the numbers in a sum does not change the sum, e.g. (a + b) + c = a + (b + c)
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associative property of multiplication
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changing the grouping of the numbers in a product does not change the product, e.g. a x (b x c) = (a x b) x c
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commutative property of addition
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in addition you can use the numbers in any order.
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commutative property of multiplication
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in multiplication you can use the numbers in any order.
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distributive property
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numbers which do not change the value of a given number. 0 is the identify element for addition, 1 is the identity element for multiplication
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identity elements
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math functions that undo each other, e.g. the inverse of addition is subtraction
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inverses
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any number multiplied by 1 is unchanged
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multiplicative identity property
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any number multiplied by 1 is unchanged
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multiplicative inverse property
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if you multiply a number by it's reciprocal, or opposite, the total will equal one, e.g. 3 x 1/3 = 1
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multiplicative property of zero
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any number multiplied by 0 is 0
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reciprocal
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a mathematical expression or function so related to another that their product is one; e.g. 4/5 x 5/4 = 1
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coefficient
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a numerical or constant quantity placed before and multiplying the variable in an algebraic expression e.g., 4 in 4(x+1)
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equation
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a statement that the values of two mathematical expressions are equal (indicated by the sign =)
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expression
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a group of symbols that make a mathematical statement
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inverse operations
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math functions that undo each other, e.g. the inverse of addition is subtraction
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numerical expression
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a combination of numbers and operations. ex: 12 x 4 + 3 - 2 =
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term
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part of an expression separated by + or - signs
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variable
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a symbol that stands for a value
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variable expression
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an algebraic phrase involving one or more variables.
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inequality
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a number sentence that uses <, >, or other symbols besides =
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solution set
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the set of values that satisfy a given set of equations or inequalities.
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