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CC2 Ch. 3

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Additive Inverse   The number you need to add to a given number to get a sum of 0.  
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Algebraic Expression   A combination of individual terms separated by plus or minus signs. It does not have an “equals” sign.  
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Associative Property   If a sum contains terms that are grouped, then the sum may be regrouped with no effect on the total: a + (b +c) = (a + b) + c. If a product contains terms that are grouped, then the product may be regrouped with no effect on the result: a(bc) = (ab)c.  
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Commutative Property   If two terms are added, then the order may be reversed with no effect on the total. That is, a + b = b + a . If two expressions are multiplied, then the order may be reversed with no effect on the result. That is, ab = ba .  
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Evaluate   To find the numerical value of. To do this, substitute the value(s) given for the variable(s) and perform the operations according to the order of operations.  
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Integers   The set of numbers {…, –3, –2, –1, 0, 1, 2, 3, …}.  
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Multiplicative Inverse   For a non-zero number, it is the number we can multiply by to get the multiplicative identity, For example, for the number 5, the multiplicative inverse is 1/5.  
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Numerical Term   Single numbers or products of numbers.  
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Order of Operations   The order in which operations are to be carried out to evaluate or simplify expressions: parentheses, exponents (powers or roots), multiplication or division (from left to right), and addition or subtraction (from left to right).  
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Quotient   The result of a division problem.  
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Rational Numbers   Numbers that may be expressed in the form a/b , where a and b are integers and b ≠ 0.  
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Reciprocals   The reciprocal of a nonzero number is its multiplicative inverse, that is, the reciprocal of x is 1/x.  
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Simplify   To write a less complicated expression with the same value. It has no parentheses and no like terms.  
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Substitution   Replacing one symbol with a number, a variable, or another algebraic expression of the same value. It does not change the value of the overall expression.  
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Terms   A single number, variable, or the product of numbers and variables,  
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Created by: EMarshall8
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