Communtative Property
7+9 = ___ +7
What is 9
(2 + 3) + 4 = 2 + (___ + 4)
What is 3
13 + ___ = 13
What is 0
Additive inverse of 8?
What is -8
Simplify 2(x + 3)
What is 2x + 6
3 x 8 = 8 x ____
What is 3
(1 + 5) + 9 = 1 + (5 + ___)
What is 9
15 x ___ = 15?
What is 1
Multiplicative inverse of 5/6
What is 6/5
Simplify 4(5 +7)
What is 48
True or False: 12 + 4 = 4 + 12
What is TRUE
What property is shown by (ab)c = a(bc)?
What is associative property
Which property justifies x + 0 = x?
What is identity property
y + (-y) = ____
What is 0
Simplify 3(2x +5)
What is 6x + 15
Which property justifies the step: 7+3=3+7?
What is commutative property
True or False: Division is associative
What is FALSE
Simplify and name the property: (8 x 1) + (0 + x)
Multiplicative identity & additive identity
(8 x 1 = 8) (0 + x = x)
a x 1/a =
What is 1
Simplify -2(x - 4)
What is -2x + 8
Is subtraction commutative?
What is no
(4 + 7) + 2 = 4 + (7 + ___)
What is 2
True or False: Zero is the multiplicative identity.
Multiplicative identity is the # you can multiply by any # without changing its value.
What is FALSE
Does 0 have a multiplicative inverse?
What is No
Expand and simplify 5(2x + 3) - 2(x + 7)
Expand: 10x + 15 - 2x - 14
Simplified: 8x + 1