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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।

MathematicsA student wrote \((x+4)^2\) as \(x^2+16\). What is the correct expression after fixing the error?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following quadratic trinomials is a perfect square of a binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following quadratic trinomials is a perfect square, that is, it can be written as the product of two identical binomials?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following quadratic polynomials has two equal zeroes?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhat is the correct split of the middle term for (x^2-9x+20)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhat is a quadratic expression called if its factors are two identical binomials?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf \(a>0\) and \(c>0\) in the quadratic expression \(ax^2+bx+c\), which condition is necessary for it to be written as the square of a linear binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following quadratic expressions can be factorised using the identity of difference of squares, \((a^2-b^2)=(a-b)(a+b)\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf \(a,b,c\) are constants, which condition is necessary for \(ax^2+bx+c\) to be a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhen (5x-2x^2+9) is written in standard form, which form is obtained?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhat is the coefficient of (x^2) in (3x^2-5x+7)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich statement is correct for (x^2-16x+64)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following quadratic expressions represents the perfect square of a binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWrite (7-4x+2x^2) in standard quadratic form.Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following is a necessary and sufficient condition for the expression \(x^2+bx+c\), with real coefficients, to be a perfect square of a binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhat are the factors of (5x^2+13x+6)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf an expression can be written in the standard form \(ax^2+bx+c\), which condition is necessary for it to be called a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following expressions is a quadratic expression in the variable x?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich of the following is a quadratic expression in \(x\) and \(y\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhich statement correctly describes the expression \(x^2-25\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard