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Expressions

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This high-quality document provides a complete breakdown of algebraic expressions—one of the most foundational topics in mathematics. Designed for middle school and early high school students, this resource is ideal for learning, reviewing, or teaching the following key skills:

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Institution
Freshman / 9th Grade
Course
Mathmatics

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Rational Expressions Quiz
1. Simplify: (x² - 9)/(x + 3)
Answer: x - 3
Explanation: Factor numerator as (x-3)(x+3).

2. Multiply: (x/2) * (4/x)
Answer: 2
Explanation: x cancels out.

3. Divide: (x²/3) ÷ (x/9)
Answer: 3x
Explanation: Multiply by reciprocal.

4. Add: 1/x + 2/x
Answer: 3/x
Explanation: Like denominators.

5. Subtract: (3/x) - (1/x)
Answer: 2/x
Explanation: Same denominator.
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Institution
Freshman / 9th grade
Course
Mathmatics
School year
1

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Uploaded on
May 31, 2025
Number of pages
1
Written in
2024/2025
Type
Class notes
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Subjects

  • math
  • rational expressions
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