Short Quiz

Question 1 of 5

CBSE Board Exam 2024

The zeroes of the quadratic polynomial \(2 x^2-3 x-9\) are:

A \(3, \frac{-3}{2}\) B \(-3, \frac{-3}{2}\) C \(-3, \frac{3}{2}\) D \(3, \frac{3}{2}\)

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Question 2 of 5

NCERT Exemplar

Which of the following equations has 2 as a root?

A \(x^2-4 x+5=0\) B \(x^2+3 x-12=0\) C \(2 x^2-7 x+6=0\) D \(3 x^2-6 x-2=0\)

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Question 3 of 5

NCERT Exemplar

Which of the following is a quadratic equation?

A \(x^2+2 x+1=(4-x)^2+3\) B \(-2 x^2=(5-x)\left(2 x-\frac{2}{5}\right)\) C \((k+1) x^2+\frac{3}{2} x=7\), where \(k=-1\) D \(x^3-x^2=(x-1)^3\)

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Question 4 of 5

NCERT Exemplar

Which of the following equations has the sum of its roots as 3 ?

A \(2 x^2-3 x+6=0\) B \(-x^2+3 x-3=0\) C \(\sqrt{2} x^2-\frac{3}{\sqrt{2}} x+1=0\) D \(3 x^2-3 x+3=0\)

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Question 5 of 5

CBSE Board Exam 2026

The roots of the quadratic equation \(4 x^2-(a-1)^2=0\) are :

A \(\mathrm{a}-1, \mathrm{a}+1\) B \(\frac{\mathrm{a}-1}{2}, \frac{-\mathrm{a}+1}{2}\) C \(\frac{\mathrm{a}-1}{2}, \frac{-\mathrm{a}-1}{2}\) D \(\quad \pm(\mathrm{a}-1)\)

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