a + b + c = b + a + c
Commutative Property (of Addition)
6*8=8*6
Commutative Property (of multiplication)
The Identity Property of Addition
A + 0 = A
Must show work for credit
Evaluate:
3x+6 for x=2
12
12 - 3 x 2
6
a + 0 = a
Identity Property (of Addition)
7*9*20 = 9*7*20
Commutative Property of Multiplication
The Commutative Property of Addition
A + (B + C) = (A + B) + C
Must show work for credit
Evaluate:
17+4x for x=2
25
(15+6)/(7-4)
7
(A*B) * C = A * (B*C)
Associative property (of Multiplication)
6+(8+y) = (6+8)+y
Associative Property of Addition
The identity property of multiplication
A * 1 = A
Must show work for credit
Evaluate:
2x+1 for x=7
7 x (15 - 9) + 2
44
a * 1=a
Identity Property of Multiplication
8 +0 = 8
Identity Property of addition
The Associative Property of Addition
9+(3+2) = (9+3)+2
Must show work for credit
Evaluate:
3x+6y for x=2 y=4
2+[(6 - 2)x(8 - 5)]
14
5*6*8=5*8*6
Commutative property (of multiplication)
6 x 0 = 0
Multiplicative Property of Zero
The Commutative Property of Multiplicatoin
8*3*6 = 3*8*6
Must show work for credit
Evaluate:
4+5x- 2y for x=3 y=6
7
14 - 3 x 4 + 9
11