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20 Cards in this Set

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 Unlike Terms MULTIPLICATION can multiply like and unlike terms Natural Numbers (counting numbers) {1,2,3,4,...} Whole Numbers (not counting numbers) {0,1,2,3,...} Rational Numbers any number that CAN be written as fractions/quotient ex: 1/2,-7/3 (-) + (-) = (lose) + (lose) = (-) (lose alot) Dividing Fractions - multiply it by its reciprocal - reduce (cross division) - multiply across ex: flip the second fraction (reciprocal) (2/3)/(4/3)= (2/3)x(3/4) Irrational Numbers any number that CAN NOT be written as fractions/quotient ex: pi, square root of 2 Multiply Fractions -reduce -find common denominator (whatever u do to the bottom, u do to the top) -multiply across ORDER OF OPERATIONS Parenthesis Exponent Multiplacation Division Addition Subtraction **from left to right (+) + (+) = (+) (win) + (win) = (+) (win alot) (add & subtract real #s) 1. WHEN SIGNS ARE DIFFERENT? 2. WHEN SIGNS ARE SAME 1. SUBTRACT THEIR ABSOLUTE VALUES (addition of the opposite) ex: a-b=a+(-b) 2. ADD KEEPING THE SIGN (multiply & divide real #s) 1. SAME SIGN? 2. DIFFERNT SIGN? 1. answer POSITIVE ex: (+)(+)=(+) or (-)(-)=(+) 2. answer NEGATIVE ex: (+)(-)=(-) or (-)(+)=(-) Multiplicative Inverse (reciprocal) ex: 2= 1/2, 1/7=7/1=7, -3=-1/3 Absolute Value distance from zero ex: |-5|= 5, |8|= 8 (+) + (-) = (win) + (lose) = **(win or lose) depends on whichever has the larger sign 0/5 = 0 5/0= undefined (we may never divide by 0) 1. (-4)^2 = 2. -4^2 = 1.(-4)(-4)= 16 **(same sign = pos) 2. -(4)(4)= -16**(diff.sign = neg) Like Terms ADDITION/SUBTRACTION can ONLY add or subtract(simplify) like terms Integers a member of the set of positive whole numbers, negative whole numbers, and zero