Math quiz 2.1 - 2.5 Flashcards
1
Q
a = b, then a + c = b + c.
A
Addition prop. of =
2
Q
a = b, then a - c = b - c.
A
subtraction Prop. of =
3
Q
5⋅3=15 5 ⋅ 3 = 15
A
Multi. Prop of =
4
Q
3x = 9
A
Divi. prop. of =
5
Q
A = A
A
Reflex. prop. of =
6
Q
a = b if b = a
A
Sym. Prop. of =
7
Q
if ∠ A ≅ ∠ B then ∠ B ≅ ∠ A .
A
Sym. Prop. of Congruence
8
Q
If a = b and b = c then a = c
A
Trans. Prop. of =
9
Q
if ∠ A ≅ ∠ B and ∠ B ≅ ∠ C then ∠ A ≅ ∠ C
A
Trans. Prop. of ≅
10
Q
x = y,
x + 5 = 7
A
Subs. prop of =
11
Q
3(4 + 5)
A
Dist. prop. of =
12
Q
conditional statement
A
a statement that can be written in the form “If P then Q,” where P and Q are sentences
13
Q
biconditional statement
A
p, if and only if q
14
Q
Conversers statement
A
when the hypothesis and conclusion are swapped
