Question

Which algebraic expression has like terms?

Comments

2. part 1 Shena made a table to show the steps and algebraic properties used to write an equivalent expression for .    

 

 

 

Step	Expression	Property
1		Commutative property
2		Distributive property
3		Distributive property
4		Addition property

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2. part 2 What error did Shena make?

Shena should have written the associative property for step 1.

Shena should have written the associative property for step 2.

Shena should have written the associative property for step 3.

Shena should have written the associative property for step 4.

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3. Which properties were used to prove that the expressions  and  are equivalent?

 

commutative, distributive, and addition

commutative, associative, and addition

associative, distributive, and addition

distributive, associative, and commutative

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The pentagon has five sides as shown in the figure. The perimeter can be expressed as .


      
Which expression is equivalent to the perimeter expression?

 4. 

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5. Liliana wants to write an equivalent expression for . Which of her attempts uses the algebraic properties correctly?

     

 

 

 

Answer 1

1. 3
2. 2
3. 1
4. 10+5x
5. 1