Short Quiz

Question 1 of 5

NCERT Exemplar

If the zeroes of the quadratic polynomial \(x^2+(a+1) x+b\) are 2 and -3 , then

A \(a=-7, b=-1\) B \(a=5, b=-1\) C \(a=2, b=-6\) D \(a=0, b=-6\)

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Question 2 of 5

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If one of the zeroes of a quadratic polynomial of the form \(x^2+a x +b\) is the negative of the other, then it

A has no linear term and the constant term is negative. B has no linear term and the constant term is positive. C can have a linear term but the constant term is negative. D can have a linear term but the constant term is positive.

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Question 3 of 5

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If one of the zeroes of the quadratic polynomial \((k-1) x^2+k x+1\) is -3 , then the value of \(k\) is

A \(\frac{4}{3}\) B \(\frac{-4}{3}\) C \(\frac{2}{3}\) D \(\frac{-2}{3}\)

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Question 4 of 5

NCERT Exemplar

Which of the following is not the graph of a quadratic polynomial?

A

B

C

D

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Question 5 of 5

NCERT Exemplar

Given that two of the zeroes of the cubic polynomial \(a x^3 +b x^2+c x+d\) are 0 , the third zero is

A \(\frac{-b}{a}\) B \(\frac{b}{a}\) C \(\frac{c}{a}\) D \(-\frac{d}{a}\)

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