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Class 9 Mcq

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsWhich condition correctly identifies the quadratic expression \(x^2+bx+c\), with real coefficients, as a perfect-square trinomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf \(x = 2\), what is the value of \(x^2 + 5x - 6\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhat will be the coefficient of (x) in ((x+5)(x-2))?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhat is the correct expansion of \((2x-3)^2\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following is a quadratic expression in x even though it has no constant term?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard Mathematics(25x^2+mx+36) is a perfect square and (m) is positive. What will be the value of (m)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhat is the correct factorised form of (x^2-12x+32)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich statement is always true about a quadratic polynomial \(ax^2+bx+c\), where \(a\ne0\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following quadratic expressions has conjugate linear binomial factors?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsA student claims that \(x^2-10x+25\) factorises as \((x-5)(x+5)\). What is the error in the student's claim?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following quadratic expressions cannot be factorised into two linear expressions with integer coefficients?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard Mathematics(x^2+mx+49) is a perfect square and (m) is positive. What will be the value of (m)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIn which form can (16x^2+40x+25) be written?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following expressions represents a quadratic polynomial in x?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf \(a,b,c\) are constants, which condition is necessary for \(p(x)=ax^2+bx+c\) to be called a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf the quadratic expression \(x^2+px+16\) is a perfect square of a binomial, which statement about the possible values of \(p\) is correct?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich statement correctly gives the factors of the expression \(p^2-q^2\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf the quadratic expression \(ax^2+bx+c\), where \(a\ne 0\), is the square of a linear binomial, which of the following statements is always true?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf \(a,b,c\) are real numbers and \(a\ne0\), which condition is necessary and sufficient for \(ax^2+bx+c\) to be the square of a linear expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf (x^2+mx+16) is a perfect square and (m) is negative, what is (m)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard