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Algebraic expressions and terms
- 1. Name –Khatun Panchmahal Roll no -49
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- 3. Expressions Youare familiar with the following type of numerical expressions: 12+6 3 (12) 6 (3 + 2) 15 - 4 (6)
- 4. What is avariable? In the expression 12 + B, the letter “B” is a variable. A variable is a letter or symbol that represents an unknown value.
- 5. Algebraic Expressions Whenvariables are used with other numbers, parentheses, or operations, they create an algebraic expression. a + 2 (a) (b) 3m + 6n - 6
- 6. What are coefficients? A coefficient is the number multiplied by the variable in an algebraic expression. Algebraic Expression Coefficient 6m + 5 6 8r + 7m + 4 8, 7 14b - 8 14
- 7. What is aterm? A term is the name given to a number, a variable, or a number and a variable combined by multiplication or division. Algebraic Expressions Terms a + 2 a, 2 3m + 6n - 6 3m, 6n, - 6
- 8. What are constants? A constant is a number that cannot change its value. In the expression: 5x + 7y - 2 the constant is - 2.
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- 10. Which is thecoefficient in the term 11mn? A. m B. n C. 11 D. m,n
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- 13. Which is thevariable in the term 215pq? A. 215 B. p C. Pq D. 215pq
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- 15. Correct Answer Yippeee…………