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Framing Algebraic Expressions - 2 Video Lecture | Mathematics Class 6 ICSE

FAQs on Framing Algebraic Expressions - 2 Video Lecture - Mathematics Class 6 ICSE

1. What is an algebraic expression?
Ans. An algebraic expression is a combination of numbers, variables (like x or y), and arithmetic operations (such as addition, subtraction, multiplication, and division). For example, 3x + 5 is an algebraic expression where 3 is a coefficient, x is a variable, and 5 is a constant.
2. How do you identify terms in an algebraic expression?
Ans. Terms in an algebraic expression are separated by plus (+) or minus (-) signs. For example, in the expression 4x + 3y - 2, there are three terms: 4x, 3y, and -2. Each term can be a constant, a variable, or a combination of both.
3. Can you explain how to simplify an algebraic expression?
Ans. To simplify an algebraic expression, combine like terms, which are terms that have the same variable raised to the same power. For example, in the expression 2x + 3x + 4, you can combine 2x and 3x to get 5x, resulting in the simplified expression 5x + 4.
4. What is the difference between an expression and an equation?
Ans. An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal, using an equality sign (=). For example, 2x + 5 is an expression, while 2x + 5 = 15 is an equation.
5. How do you evaluate an algebraic expression?
Ans. To evaluate an algebraic expression, substitute the values of the variables in the expression. For instance, to evaluate the expression 2x + 3 when x = 4, you replace x with 4, resulting in 2(4) + 3 = 8 + 3 = 11.
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