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9 terms

Algebra 1 Honors: Chapter 2 Quiz Concepts

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commutative property of addition
the order in which you add two numbers does not change the sum. eg: a+b=b+a
associative property of addition
the way you group three numbers in a sum does not change the sum. eg: (a+b)+c=a+(b+c)
Identity property of addition
the sum of a number and 0 is the number. eg: a+0=a
inverse property of addition
the sum of a number and its opposite is 0.
eg: a+(-a)=0
commutative property of multiplication
the order in which you multiply two numbers does not change the product. eg: a•b=b•a
associative property of multiplication
the way you group three numbers in a product does not change the product. eg: (a•b)•c=a•(b•c)
identity property of multiplication
the product of a number and 1 is that number
eg: a•1=a
multiplicative property of zero
the product of a number and 0 is 0 .
eg: a•0=0
multiplicative property of -1
the product of a number and -1 is the opposite of the number . eg: a•(-1)=-a