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Mathematics

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

MathematicsWhich condition is necessary for the expression \(ax^2+bx+c\) to be called a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhich expression is a quadratic binomial in (x)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsThe length of a rectangle is \(x+5\) cm and its breadth is \(x-2\) cm. Which quadratic expression is obtained on simplifying its area?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhich of the following expressions can be factorised as \((m-n)(m+n)\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhich of the following is a quadratic expression in the variable \(p\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhich pair correctly splits the middle term in (3x^2-8x+4)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsA student wrote \((x+4)^2\) as \(x^2+16\). Which term is missing from the expansion?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsIf a quadratic trinomial is of the form \(x^2+2ax+a^2\), which algebraic expression is it equal to?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhy is the expression \(5x^2-3x+7\) called a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsRiya says that \(x^2+10x+16\) can be written as \((x+5)^2\). Which is the correct form of \(x^2+10x+16\) to identify the error in Riya’s statement?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhat will be the constant term in ((4x-3)^2)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsIf the first and last terms of a trinomial are squares of two terms and the middle term is negative twice the product of their square roots, how is the trinomial factorised?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhat is the product of ((3x-2)(x+5))?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhat is the expanded form of ((2x+1)(x-4))?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhich expression is not quadratic in (x)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhich of the following expressions is a quadratic expression in the variable \(y\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsAfter taking out (2) from (2x^2+8x+6), what remains inside the bracket?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsHow will (x^2+2x+5) be written as a square plus a constant?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsIf a, b and c are constants, under which condition is the expression \(ax^2+bx+c\) a quadratic expression in x?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsIf the factors of a quadratic expression are two identical linear factors, what is the position of its graph with respect to the x-axis?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium