Short Quiz

Question 1 of 5

NCERT Exemplar

A quadratic polynomial, whose zeroes are -3 and 4 , is

A \(x^2-x+12\) B \(x^2+x+12\) C \(\frac{x^2}{2}-\frac{x}{2}-6\) D \(2 x^2+2 x-24\)

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Question 2 of 5

NCERT Exemplar

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

A 10 B -10 C 5 D -5

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Question 3 of 5

NCERT Exemplar

If one of the zeroes of the cubic polynomial \(x^3+a x^2+b x+c\) is -1, then the product of the other two zeroes is:

A b - a + 1 B b - a - 1 C \(a-b+1\) D a \(-b-1\)

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Question 4 of 5

NCERT Exemplar

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 5 of 5

NCERT Exemplar

If the zeroes of the quadratic polynomial \(a x^2+b x+c, a \neq 0\) are equal, then:

A c and a have opposite signs B c and b have opposite signs C c and a have the same sign D c and b have the same sign

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Class 6