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3 Cards in this Set
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Subtracting real numbers

the difference ab is the number c, a=b+c
ab=a+(b) for any real number "a" and "b" (to subtract add the opposite, or additive inverse of the number being subtracted) 

multiplying of real numbers

multiply a positive and a negative the answer is negative
Multiply two negatives and the answer is positive smae sign = positive different signs = negative 

Dividing of real numbers

the quotient a divided b or a/b where b is not equal to 0 is that unique real number c for which a=a x b
to multiply or divide two real numbers (where the divisor in nonzero) A) multiply or divide by the absolute values\ B) If the signs are the same, the answer is positive C) if the signs are different, the answer is negative 