8. Algebraic Expressions and Identities
The chapter covers algebraic expressions and their manipulation, focusing on addition, subtraction, multiplication, and the use of identities. Key methodologies such as the distributive law, combining like terms, and finding areas and volumes through algebraic expressions are discussed. By understanding the fundamentals of algebraic expressions, students can efficiently address mathematical problems involving variables and constants.
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Sections
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What we have learnt
- Expressions are formed from variables and constants.
- Like terms can be combined during addition or subtraction of expressions.
- Multiplying monomials and polynomials involves systematic application of distributive laws.
Key Concepts
- -- Algebraic Expression
- An expression formed by combining variables, constants, and operations.
- -- Monomial
- An algebraic expression that contains only one term.
- -- Polynomial
- An algebraic expression formed by adding or subtracting one or more monomials.
- -- Distributive Law
- A fundamental property that allows multiplication of a single term across terms in a parenthesis.
- -- Like Terms
- Terms that contain the same variable raised to the same power.
Additional Learning Materials
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