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For which value will ((m+5)x+7) not remain a linear polynomial?

Answer and explanation

Correct answer: m=-5

In a linear polynomial, the highest power of x must be 1, so the coefficient of x cannot be zero. For m=-5, m+5=0 and the expression becomes 0x+7=7, which is a constant polynomial, not a linear polynomial. For the other given values, the coefficient of x is non-zero. Exam tip: In a parameter-based linear polynomial, set the coefficient of x equal to zero to find when it stops being linear.

Related tags

Linear PolynomialsConstant PolynomialParameterCoefficient Of XClass 9 MathematicsIntroduction To PolynomialsMathematicsClass 9 Mcq

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