1.2 field axioms (properties) notes on a handout
TRANSCRIPT
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1.2 Field Axioms (Properties)
Notes on a Handout
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Look at whiteboard for examples!
ADDITION
Closure:
Commutative:
Associative:
Additive Identity (0 is the identity):
Additive Inverse:
a + b is a unique real number
a + b = b + a
(a + b) + c = a + (b + c)
a + 0 = a
a + (–a) = 0
who ‘associate’ with
flip order
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MULTIPLICATION
Closure:
Commutative:
Associative:
Multiplicative Identity (1 is the identity):
Multiplicative Inverse:
Distributive Property: a(b + c) = ab + ac
a•b is a unique real number
ab = ba
(ab)c = a(bc)
a • 1 = a
who ‘associate’ with
flip order
11a
a
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EQUALITY OF REAL NUMBERS
Reflexive Property:
Symmetric Property:
Transitive Property:
Addition Property:
Multiplication Property:
a = a
If a = b, then b = a
If a = b & b = c, then a = c
If a = b, then a + c = b + c
‘reflection’ in mirror
If a = b, then ac = bc
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Example Answers
1) Multiplicative Identity
2) Commutative for Addition
3) Additive Inverse
4) Distributive