1. The degree of a biquadratic polynomial is
a) 2
b) 4
c) 3
d) 1

2. The zeroes of a polynomial x2+5x+6 are
a) one positive and one negative
b) both negative
c) both positive
d) both equal

3. The number of zeroes that the polynomial f(x) = (x–2)2 + 4 can have is
a) 2
b) 3
c) 0
d) 1

4. The zeroes of a polynomial x2+5x−24 are
a) both positive
b) one positive and one negative
c) both negative
d) both equal

5. The zeroes of a polynomial x2−7x+12 are
a) both positive
b) one positive and one negative
c) both negative
d) both equal

6. A real number ‘k’ is said to be a zero of a polynomial p(x), if p(k) =
a) 2
b) 1
c) 3
d) 0

7. The zeroes of a polynomial x2+4x+4 are
a) one positive and one negative
b) both negative
c) both equal
d) both positive

8. If the zeroes of a quadratic polynomial ax2 + bx + c, c ≠ 0 are equal, then
a) b and c have the same sign
b) b and c have opposite sign
c) c and a have opposite sign
d) c and a have the same sign

9. If a real number ‘α ’ is a zero of a polynomial, then ______ is a factor of f(x).
a) x−α
b) X±α
c) x+α
d) none of these

10. If ‘α’ and ‘β’ are the zeroes of a quadratic polynomial ax2+bx+c, then α β =
a) −c/a
b) −b/a
c) b/a
d) c/a

Polynomial Chapter - 2 Quiz 3 Class 10th

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