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GRE: Math4
GRE Math4 Flashcards - Most Studied - #7,9,10,12 I deleted ones that didn't make sense
smith-gives
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Slope
y₂-y₁/x₂-x₁
For any number x
Can be negative, zero, or positive
X is the opposite of
-X
3 is the opposite of
-3
The only number that is equal to its opposite
∅ ∅=∅
Product of any number and ∅ is
∅
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