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Why is the expression \(5x^2-3x+7\) called a quadratic expression?

Answer and explanation

Correct answer: The highest power of \(x\) is 2

A quadratic expression has degree 2. Here, the term \(5x^2\) gives the highest power of \(x\) as 2, so it is quadratic. The constant term and number of terms do not decide the degree. Exam tip: check the highest exponent.

Related tags

Quadratic ExpressionsAlgebraic IdentitiesDegree Of PolynomialClass 9 MathematicsAlgebra BasicsExploring Algebraic IdentitiesMathematicsClass 9 Mcq

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