Symbols and Sets of Numbers Vocabular: Beg. Alg.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a set? | Is a collection of Objects
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| What are the objects of sets usually called? | Members or Elements
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| Collection of objects | Set
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| Objects generally in a set | members or elements
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| Members or Elements | Objects in a set
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| Roster form | Just lists out elements of a set between two set brackets {january,june,july}
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| Just lists out of elements of a set between two set brackets | Roster form
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| Equal = | To notate that two expressions are equal to each,
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| = | Notates two expressions are equal
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| A < B | A is less than b
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| A is less than b | A <B
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| A>B | a is greater than b
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| Mathematical statement | uses the equality and inequality symbols shown above. Judged either true or false
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| Uses the equality and inequality symbols. | Mathematical statement
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| Natural or counting numbers | N= {1,2,3,4,5,6,7...}
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| N= {1,2,3,4,5,6,7...} | Natural or counting numbers
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| Whole Numbers | {0,1,2,3,4,5,6,7...}
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| {0,1,2,3,4,5,6,7...} | Whole numbers
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| Integers | Z= {...,-5,-4,-3,-2,-1,0,1,2,3,4,5...}
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| Z= {...,-5,-4,-3,-2,-1,0,1,2,3,4,5...} | Integers
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| Natural numbers and whole numbers are both subsets of what? | Integers
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| Rational Numbers | is a number that can be written as one integer over another
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| Is a number that can be written as one integer over another | Rational number
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| Natural numbers, whole numbers and integers are all subsets of what. | Rational numbers
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| Irrational numbers | Numbers that are not perfect roots, non-terminating, non-repeating decimals like Pi.
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| Real Numbers | Any number that belongs to either the rational numbers or irrational numbers would be considered this. Includes natural, whole and integers
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| Any number that belongs to either the rational numbers or irrational numbers would be considered this. Includes natural, whole and integers | Real numbers
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| Zero on the number line is called what? | Origin
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| origin | zero on a number line
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| Negative numbers | On the left of 0
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| On the left of 0 | Negative Numbers
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| Positive Numbers | Located at the right of 0
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| Located at the right of 0 | Positive number
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| 0 , zero | Does not belong to either groups. Neither negative or positive
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| Absolute value | Measures the distance that x is away from origin (0)
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| Measures the distance that x is away from origin (0) | Absolute value
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| 2.5 ? 1.5 Replace ? with either <,>, or = | 2.5>1.5
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Created by:
JoriLynn
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