3. Algebra
Algebra introduces the use of symbols to represent numbers and quantities, generalizing arithmetic operations. It encompasses algebraic expressions, identities, operations, factorization, and linear equations in one variable. Techniques such as substitution and application in word problems highlight the practical aspects of algebra in solving real-world issues.
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Sections
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What we have learnt
- Algebra involves symbols and letters to represent quantities.
- Algebraic expressions consist of terms that can be like or unlike.
- Factoring algebraic expressions can be done through various methods including grouping and using identities.
Key Concepts
- -- Algebraic Expression
- A mathematical phrase that can contain numbers, variables, and operations.
- -- Like Terms
- Terms that have the same variables raised to the same powers.
- -- Polynomial
- An expression with one or more terms.
- -- Algebraic Identities
- Equations that are true for all variable values.
- -- Factorization
- Breaking down an algebraic expression into a product of its factors.
- -- Linear Equations
- An equation that can be expressed in the form ax + b = 0.
- -- Substitution Method
- Replacing a variable with its value or another expression.
Additional Learning Materials
Supplementary resources to enhance your learning experience.