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Class 9MathematicsIntroduction to PolynomialsDefinition of a PolynomialEasy
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What is the coefficient of (x) in (7x^2-4x+10)?

Answer and explanation

Correct answer: -4

The linear term containing x is -4x. Since -4x = (-4)\(x\), the coefficient of x is -4. Here, 7 is the coefficient of x², while 10 is the constant term. Exam tip: To find a variable’s coefficient, identify the number multiplying that variable in its term.

Related tags

PolynomialCoefficientLinear TermAlgebraClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics
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10 more MCQs
  1. 1Which of the following is a polynomial in (x)?
  2. 2Which of the following is not a polynomial in (x)?
  3. 3What type of powers should the variable have in a polynomial?
  4. 4What is the highest power in the expression (4x^3-2x+8)?
  5. 5What type of polynomial is (6x+11)?
  6. 6What type of polynomial is (5x^2+2x-3)?
  7. 7What type of polynomial is (2x^3+x^2-7)?
  8. 8How will the expression (12) be considered?
  9. 9Is (0) a polynomial?
  10. 10Riya claims that \(5x^{-1}+3\) is a polynomial because it contains only the variable \(x\) and numbers. What is the error in Riya's claim?
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