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Which quadratic equation has 0 and 8 as its roots?

Answer and explanation

Correct answer: \(x^2-8x=0\)

If the roots of a quadratic equation are 0 and 8, its factored form is \((x-0)(x-8)=0\). Thus, \(x(x-8)=0\), which expands to \(x^2-8x=0\). Option B has roots 0 and −8, while option C has roots 8 and −8. Exam tip: for roots \(\alpha\) and \(\beta\), use \((x-\alpha)(x-\beta)=0\).

Related tags

Quadratic EquationsRootsForming EquationsZero RootFactorisationRoots Of A Quadratic EquationMathematicsClass 10 Mcq

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