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Quadratic Expressions

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

MathematicsFor the quadratic expression \(x^2+px+q\), with real coefficients, to be a perfect square of a binomial, which relation between \(p\) and \(q\) is necessary and sufficient?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhich of the following quadratic trinomials can be written as the expansion of a perfect-square binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsIn (x^2+px+24), if one factor is (x+6), what is the value of (p)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhich of the following expressions can be identified as the perfect square of a binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsFor which value of \(k\) will the expression \((k^2-9)x^2+(k-3)x+1\) be a linear expression in \(x\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhich of the following expressions is not a quadratic polynomial in \(x\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsA student wrote \((x+4)^2\) as \(x^2+16\). What is the correct expression after fixing the error?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhich of the following quadratic trinomials is a perfect square of a binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard 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 expressionsLevel 73Hard MathematicsWhich of the following quadratic polynomials has two equal zeroes?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhat is the correct split of the middle term for (x^2-9x+20)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhat is a quadratic expression called if its factors are two identical binomials?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard 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 expressionsLevel 73Hard 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 expressionsLevel 73Hard MathematicsIf \(a,b,c\) are constants, which condition is necessary for \(ax^2+bx+c\) to be a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhen (5x-2x^2+9) is written in standard form, which form is obtained?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhat is the coefficient of (x^2) in (3x^2-5x+7)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsWhich statement is correct for (x^2-16x+64)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 72Hard MathematicsIf (x^2+sx+35=(x+5)(x+7)), what is (s)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 72Hard MathematicsWhich of the following quadratic expressions represents the perfect square of a binomial?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 72Hard