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Quick Revision: Algebraic Expressions Video Lecture | Mathematics for Grade 7

FAQs on Quick Revision: Algebraic Expressions Video Lecture - Mathematics for Grade 7

1. What are algebraic expressions?
Ans. Algebraic expressions are mathematical expressions that consist of variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division.
2. How do you simplify algebraic expressions?
Ans. To simplify algebraic expressions, you combine like terms, perform any necessary operations, and follow the order of operations (PEMDAS).
3. What is the difference between an algebraic expression and an algebraic equation?
Ans. An algebraic expression is a mathematical phrase that can contain variables, constants, and operators, whereas an algebraic equation is a statement that asserts the equality of two algebraic expressions.
4. How can algebraic expressions be used in real-life situations?
Ans. Algebraic expressions can be used to represent real-life situations such as calculating the cost of items, determining distances, and solving various mathematical problems.
5. Can algebraic expressions have exponents?
Ans. Yes, algebraic expressions can contain exponents, which represent repeated multiplication of a base number by itself.
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