Properties
Which property is shown below? (distributive, associative or commutative)
10(-5) = -5(10)
Commutative
What is the variable in the expression: 17r
r
Evaluate 2x when x=5. You must show all steps in PEMDAS to get credit.
10
Distribute: 5(2x-4)
10x-20
Simplify: -4(12x)
-48x
Which property is shown below? (distributive, associative or commutative)
(1+6)+3=1+(6+3)
Associative
Give an example of a binonial expression
Any answer with TWO terms!
Evaluate -3x-10 when x=4. You must show all steps in PEMDAS to get credit.
-22
Distribute: -(6-13x)
-6+13x
Distribute: -2(30-5x)
-60+10x
Which property is shown below? (distributive, associative or commutative)
5(x-3)=5∙x - 5∙3
Distributive
State the variable AND the coefficient in the expression: -20x
variable: x
coefficient: -20
Evaluate x^2+3 when x=-7. You must show all steps in PEMDAS to get credit.
52
Distribute and simplify: 2(x+3)+9(3x+1)
29x+15
Distribute and simplify: 4(x+7)-15
4x-1
Which property is shown below? (distributive, associative or commutative)
(4×2)×5=4×(2×5)
Give an example of a trinomial expression.
Any expression with 3 terms!
Evaluate (2x-1)/5 when x=8. You must show all steps in PEMDAS to get credit.
3
Distribute and simplify: 5(-3-7x)-2x
-37x-15
Distribute and simplify: 5+2(x-12)
2x-19
Which property is shown below? (distributive, associative or commutative)
(x+y)+z=(y+x)+z
Commutative
State the coefficient on the term: c
1
Evaluate 2x^2-5x when x=-3. You must show all steps in PEMDAS to get credit.
33
Distribute and simplify: 5(-x+4)-(2x+8)
-7x+12
Distribute and simplify: 4-(x+3)+7x
6x+1