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Algebraic Identities

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

MathematicsIf a quadratic trinomial is of the form \(x^2+2ax+a^2\), which algebraic expression is it equal to?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhy is the expression \(5x^2-3x+7\) called a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium 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 expressionsLevel 75Medium MathematicsWhat will be the constant term in ((4x-3)^2)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium 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 expressionsLevel 75Medium MathematicsWhat is the product of ((3x-2)(x+5))?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhat is the expanded form of ((2x+1)(x-4))?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhich expression is not quadratic in (x)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhich of the following expressions is a quadratic expression in the variable \(y\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsHow will (x^2+2x+5) be written as a square plus a constant?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium 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 expressionsLevel 75Medium 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 expressionsLevel 75Medium MathematicsWhich of the following expressions can be factorised as a difference of squares of two binomials?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhich of the following quadratic expressions is the product of two identical linear factors?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhich of the following expressions is a difference of squares of two binomials?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsA student writes \((2x-5)^2\) as \(4x^2-25\). Which term has been omitted from the expansion?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhich condition on \(a\) is necessary for the expression \(ax^2+bx+c\) to be a quadratic expression in \(x\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsWhich of the following is a quadratic expression in x?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsIf \(a,b,c\) are real numbers, which condition is necessary for \(ax^2+bx+c\) to be a quadratic expression?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium MathematicsThe length of a rectangle is 0x+5 0 cm and its breadth is 0x-2 0 cm. A student writes its area as 0x^2+3 0 sq cm. Which statement about the student's error is correct?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 75Medium