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Questions and Answers
What is the simplification of 2x + 3 - 2 + 1x?
What is the simplification of 2x + 3 - 2 + 1x?
3x + 1
What is the simplification of n + 5n?
What is the simplification of n + 5n?
6n
What is the simplification of -4j - 1 - 4j + 6?
What is the simplification of -4j - 1 - 4j + 6?
-8j + 5
What are the parts of an expression that are separated by addition or subtraction signs called?
What are the parts of an expression that are separated by addition or subtraction signs called?
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How many terms are in the expression 9s - 4r - 7s + 3?
How many terms are in the expression 9s - 4r - 7s + 3?
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What are the coefficients in the expression 9s - 4r - 7s + 3?
What are the coefficients in the expression 9s - 4r - 7s + 3?
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What is the number in front of the variable called?
What is the number in front of the variable called?
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What is a number without a variable called?
What is a number without a variable called?
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What are terms with the same variable parts, including exponents, called?
What are terms with the same variable parts, including exponents, called?
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What is the constant in the expression 9s - 4r - 7s + 3?
What is the constant in the expression 9s - 4r - 7s + 3?
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What is a letter that stands for an unknown in mathematics?
What is a letter that stands for an unknown in mathematics?
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What is the simplification of 2 + 3x - 12?
What is the simplification of 2 + 3x - 12?
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What is the simplification of 10 - 2x - 5?
What is the simplification of 10 - 2x - 5?
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What is the simplification of 8 - (x + 4)?
What is the simplification of 8 - (x + 4)?
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What is the simplification of 2x + 3x + 3?
What is the simplification of 2x + 3x + 3?
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What is the simplification of -2x + 2x + 5?
What is the simplification of -2x + 2x + 5?
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What is the factorization of 7(m + 2)?
What is the factorization of 7(m + 2)?
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What is the factorization of 3(4m + 2)?
What is the factorization of 3(4m + 2)?
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What is the factorization of 4(3n - 4)?
What is the factorization of 4(3n - 4)?
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What is the factorization of 7(2r - 3)?
What is the factorization of 7(2r - 3)?
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What is the factorization of -4(6x - 5)?
What is the factorization of -4(6x - 5)?
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Study Notes
Simplifying Expressions
- 3x + 1 simplifies from 2x + 3 - 2 + 1x.
- 6n results from simplifying n + 5n.
- -8j + 5 simplifies from -4j - 1 - 4j + 6.
Terminology
- A term is a part of an expression separated by addition or subtraction signs.
- The expression 9s - 4r - 7s + 3 contains four terms.
- Coefficients in 9s - 4r - 7s + 3 are 9, -4, -7.
Key Components of Expressions
- A coefficient is the number in front of a variable (e.g., in 4x, 4 is the coefficient).
- A constant is a number without a variable, such as 3 in 9s - 4r - 7s + 3.
- A variable is a letter that represents an unknown value.
Similar Terms
- Like terms are terms with identical variable parts, including exponents.
Additional Simplifications
- 3x - 10 simplifies from 2 + 3x - 12.
- -2x + 5 results from simplifying 10 - 2x - 5.
- -x + 4 simplifies from 8 - (x + 4).
- 5x + 3 comes from simplifying 2x + 3x + 3.
- The number 5 appears in the expression -2x + 2x + 5 when simplified.
Factoring Expressions
- 7m + 14 results from factoring 7(m + 2).
- 12m + 6 is derived from the expression 3(4m + 2).
- 12n - 16 simplifies from 4(3n - 4).
- 14r - 21 comes from factoring 7(2r - 3).
- -24x + 20 results from factoring -4(6x - 5).
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on simplifying expressions with this flashcard quiz based on Pre Algebra Lesson 2.3. Each card presents a mathematical expression or term that you need to simplify or define. Challenge yourself and strengthen your algebra skills!