Identify properties
7∙1=7
Identity
2 ∙ (2-4)2 + 3 ∙ 8 - 12
20
3x + 8 = 32
x < 3
|3x-3|=18
x = 7 or x = 5
(5+2)+1=5+(2+1)
Associative
x2 - 2x - 12 when x is 12
108
3(x - 4) + 4 = 10
x = 6
-5x - 6 > 34
x < -8
|-2x + 8| = 56
x = -24 or x = 32
3 ∙ 4 = 4 ∙ 3
Commutative
2x2 - 11x - 3x2 + 2x - 33
-x2 - 9x - 33
2x + 8 - 3x = 7
-15
How many teeth does the typical human have?
32
|x|<3
3(7x+2)
21x+6
3(x + y)2 - 4x + 8y when x=2 and y=-3
-29
Where does Mr. Lewis's family live?
Australia
3<2x+1<9
|2x+4| > 16
x < -10 or x > 6
5 - 5 = 0
Inverse
-4(x2 – 4) - 2(2x2 + 5)
-8x2 + 6
4(x + 2) - 2(x - 1) = 8
x = 3
3(x - 4) < 2x + 17
21
Name a country that starts with the letter H
Hungary, Honduras, Haiti