Properties Flashcards
1
Q
Subtraction POE
A
A-c=b-d
2
Q
Multiplication POE
A
A•c=b•d
3
Q
Division POE
A
A/c=b/d c or d does not = 0
4
Q
Distributive P
A
X(y+z)= xy+xz
5
Q
Reflective POE
A
A=A (equal to itself)
6
Q
Reflexive POC (property of congruence)
A
A~A
7
Q
Symmetric POE
A
If a=b then b=a
8
Q
Symmetric POC
A
If A~B then B~A
9
Q
Transitive POE
A
If a=b and b=c then a=c
10
Q
Transitive POC
A
A~b and b~c then a~c
11
Q
Substitution
Equality or congruence
A
If A+B=180 and B = 40, then A+40=180
12
Q
Addition POE(property of equality)
A
A+c=b+d
13
Q
Seg proof
Small to big
A
Given/reflexive
Addition
Seg + post
Substitution
14
Q
Seg proof
Big to small
A
Seg + post
Substitution
Given/reflexive
Subtraction
15
Q
Midpoint theorem
A
Multiplication
Midpoint theorem
Substitution