The absolute is the value of the distance from 0, regardless of sign.
|-3|=3
|3|=3
But it's whatever is in the absolute bars.
-|-3|=-3
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Domain is the independent variable in an equation. It is what you put "in" the equation to get the Range.
The word 'reci[procal' is a maths term. It means inversion of numbers. e.g. 2 its reciprocal is 1/2 1/3 its reciprocal is 3 . et.seq.,
A polynomial is an expression with many different terms whereas a monomial has only one term. There are other poly- word like polygon or polyhedron but their mono- counterparts do not exist.
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it means to use the same numbers or words in a word problem