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7.2(A) Sets of Numbers, Classifying Real Numbers, Classifying numbers
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Key Concepts:
Terms in this set (51)
whole, integer, rational, real
0
rational, real
2/3
irrational, real
π
rational , real
-0.5
whole, integer, rational, real
41
irrational, real
√10
integer, rational, real
(-27)/9
rational, real
2.636363 . . .
irrational, real
3π
integer, rational, real
(-24)/24
whole, integer, rational, real
0/(-11)
whole, integer, rational, real
π/π
whole, integer, rational, real
√81
irrational, real
5√6
integer, rational , real
-√25
whole, integer, rational, real
0π
irrational, real
2.19300384...
not real, undefined
4/0
rational, real
-5/6
rational, real
-3.62
integer, rational, real
-54/9
irrational, real
√15
rational, real
32.343434343...
natural, whole, integer, rational, real
√81
integer, rational, real
-30
irrational, real
π
natural, whole, integer, rational, real
42/6
rational, real
-2/3
whole, integer, rational, real
0
natural, whole, integer, rational, real
5
irrational, real
12.569843681549...
rational, real
23.9
integer, rational, real
-2345
natural, whole, integer, rational, real
√9
rational, real
-43.76
irrational, real
√7
rational, real
0.333...
natural, whole, integer, rational, real
17
integer, rational, real
-93/3
natural numbers
1,2,3,4...
whole numbers
0,1,2,3,4...
integers
...-3, -2, -1, 0, 1, 2, 3... all the whole numbers together with their opposites
irrational number
a number that cannot be written as a ratio of integers
terminating decimal
a decimal that has a definite end to it (The place value of the last digit in the number can be found.)
repeating decimal
a decimal that does not have a definite end to it (The place value of the last digit in the number cannot be found.)
perfect square
a number that result from multiplying an integer by itself
square root
a number that when multiplied to itself results in a specified number. The square root of 25 is 5, since 5x5=25 (25 is the specified number)
natural, whole, integer, rational, real
5
whole, integer, rational, real
0
integer, rational, real
-12/2
rational, real
1/2
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