Algebraic Expressions

Tell which property is represented.

 $9\left(5\cdot2\right)=\left(9\cdot5\right)\cdot2$  

• Identity Property

• Associative Property

• Commutative Property

• Distributive Property

Tell which property is represented

 $p+q=q+p$  

• Identity Property

• Associative Property

• Commutative Property

• Distributive Property

According to distributive property the expression

 $p\left(q-r\right)$  is:

•  $pq\cdot pr$  

•  $pq-pr$  

•  $\left(p\cdot q\right)-r$  

•  $pq-r$  

Tell which property is represented

 $266\cdot1=266$  

• Identity property

• Associative property

• Commutative property

• Distributive property

Simplify

 $30-16\div2$  

Evaluate  $6n-2\$  for  $n=4$  

• 4

• 62

• 22

• 12

Evaluate
 $y+2-9$  for  $y=18$  

• 11

• 0

• 27

• 2

Evaluate:  $x^2-3x$  

for  $x=4$  

•  $-4$  

• 4

• 20

• 28

Evaluate  $2x-5y$  for  $x=3\ and\ y=-9$  

•  $-10$  

•  $-8$  

•  $39$  

•  $51$  

Which is an example of Commutative property?

•  $1+7=7+1$  

•  $\left(2+4\right)+5=2+\left(4+5\right)$  

•  $12\cdot1=12$  

• none of the above