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Algebra II: 1.2 Properties of Real Numbers
Solutions
Name ________________________
Period ____ Date _______
Bell Work: Use a process table to write an expression for the nth term:
1
2
3
4
n
2
5
8
11
3𝑛 − 1
1
2
3
Notes: Describe each set of real numbers and give examples.



𝑛
3(1) − 1 5
3(2) − 1 8
3(3) − 1 11
3𝑛 − 1
Integers whole number (no fractions), includes negatives {… − 𝟑, −𝟐, −𝟏, 𝟎, 𝟏, 𝟐, … }
𝟐
����
Rational Numbers any number that can be written as a ratio (fraction): -3,120, 𝟑, 0.45, 𝟎. 𝟐𝟒𝟒
Irrational Numbers any number that cannot be written as a fraction: √𝟕, 𝝅, 1.21231234…