Identifying and Combining Unlike Terms
Grade 8 math worksheet focusing on identifying and combining unlike terms in algebraic expressions.
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Standards
Topics
Identifying and Combining Unlike Terms
Name:
Date:
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Read each question carefully and follow the instructions. Show all your work where applicable.
What are Unlike Terms?
Unlike terms are terms whose variables and their exponents are different. For example, 3x and 5y are unlike terms, and 7x² and 7x are also unlike terms because the exponents of the variable 'x' are different.
1. 4a and 7a are unlike terms.
True
False
2. 2x²y and 5xy² are unlike terms.
True
False
Identify the unlike term in each group.
1. 5x, 8x, 2y, 10x Unlike term:
2. 3a², 7a², a³, 12a² Unlike term:
3. 6mn, 9nm, 4m, mn Unlike term:
1. Which pair of terms are unlike terms?
2x, 5x
3y, 3y²
4ab, 7ba
6p, p
2. Which of the following expressions contains only unlike terms?
3x + 4x
2y² - 5y²
6a + 2b - c
m² + 3m²
1. Explain in your own words why 5xy and 5x are considered unlike terms.
2. Can you combine 7p and 3q? Why or why not?
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