Which pair of expressions are equivalent?


in Algebra 1 Answers by Level 10 User (57.4k points)
reshown by

2. What is the result when you combine only the constants in the following expression?


3. Liliana wants to write an equivalent expression for mc019-1.jpg. Which of her attempts uses the algebraic properties correctly?





4. Which shows the use of the associative property?  

5. Fiona is trying to prove that a pair of expressions are equivalent by using substitution. Which pair of expressions has the same value if she substitutes mc009-1.jpg?

i THINK THE ANSWERS ARE  1-4 2-1 3-2 4-3 and 5-4

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

  1. 3 (10n-2n=8n not 5n)
  2. Constants add up to 13
  3. 1 (associative is also known as grouping property, commutative is changing the order)
  4. 2 (3 shows the distributive property)
  5. 4
by Top Rated User (815k points)
Thank you for giving me your answers. It helps me to see how you are thinking.

Related questions

1 answer
asked Feb 22, 2016 in Other Math Topics by Mathical Level 10 User (57.4k points) | 904 views
1 answer
3 answers
asked Feb 16, 2016 in Other Math Topics by Mathical Level 10 User (57.4k points) | 8.0k views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
85,993 questions
91,890 answers
23,907 users