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OCA - Alg - U1 L3
Real Numbers and the Number Line
14
Mathematics
8th Grade
09/01/2012

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Cards

Term
element of a set
Definition
members of a set
Term
inequality
Definition
a mathematical sentence that compares the values of two expressions using and inequality symbol
3 < 7
Term
integers
Definition
whole numbers and their opposites
..., -3, -2, -1, 0, 1, 2, 3, ...
Term
irrational numbers
Definition
a number that cannot be written as a ratio of two integers; non-terminating & nonrepeating
Term
natural numbers
Definition
the counting numbers
1, 2, 3, ....
Term
perfect square
Definition
number whose square roots are integers
1, 4, 9, 16, 25, 36, ...
Term
radical
Definition
an expression made up of a radical symbol and a radicand
Term
radicand
Definition
the expression under the radical sign is the radicand
Term
rational number
Definition
a real number that can be written as a ratio of two integers; terminating or repeating
Term
real number
Definition
a number that is either rational or irrational
Term
set
Definition
a well-defined collection of elements
Term
square root
Definition
a divisor of a quantity that when squared gives the quantity
Term
subset
Definition
a set which contains some or all of the elements from the original set
Term
whole numbers
Definition
non-negative integers; counting numbers & zero
0, 1, 2, 3, ...
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