Properties Flashcards

0
Q

Associative

A

Add:(a+b)+c=a+(b+c)
Multiply:(a•b)•c=a•(b•c)

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1
Q

Commutative

A

Add: a+b=b+a
Multiply: ab=ba

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2
Q

Distributive

A

Add:———-
Multiply:a(b+c)=ab+bc

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3
Q

Identity

A

Add:a+0=a and 0+a=a
Multiply:a•1=a and 1•a=a

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4
Q

Inverse

A

Add: a+(-a)=0
Multiply:a•(1/a)=1

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5
Q

Equality

A

Add: If a=b, then a+c=b+c
Multiply: If a=b, then ac=bc

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6
Q

Reflexive

A

a=a

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7
Q

Symmetric

A

If a=b, then b=a

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8
Q

Transitive

A

If a=b and b=c, then a=c

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9
Q

Substitution

A

If a=b, then a can replace b in any mathematical statement

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10
Q

Trichotomy

A

For any two real numbers a and b, exactly one of the following is true: a=b, a>b, or a<b

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11
Q

Inequality addition

A

If a>b, then a+c>b+c

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12
Q

Inequality multiplication

A

If a>b and c>0, then ac>bc

If a>b and c<bc

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13
Q

Inequality transitive

A

If a>b and b>c, then a>c

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