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1.2 Properties of Real Numbers day 1.notebook
Algebra 2
August 20, 2015
Warm up 8/20/15
1. Use set builder notation to represent:
x≠10
All negative multiples of 5
2. Use interval notation to represent the following:
x≠10
23>x
­1≤x<24
3. Use roster notation to represent the following:
(3, 8)
Positive multiples of 7
The first 8 letters of the alphabet.
1.2 Properties of Real Numbers
Property
Identity
Inverse
Commutative Associative
Closure property
Distributive property
Reflexive property
Symmetric property
Transitive property
Substitution property
Addition
Multiplication
Algebra
1.2 Properties of Real Numbers day 1.notebook
August 20, 2015
Ex 1:
Algebra Step 6a + (8b + 2a) Property/Justification given 6a + (2a + 8b) (6a + 2a) + 8b (6 + 2)a + 8b 8a + 8b Ex. 2: Algebra step
Justification
HW #3
Sec. 1.2: Properties practice
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