30
Minutes
38
Questions
1 / -0
Marking
Q1. If one zero of the quadratic polynomial x² + 3x + k is 2, then the value of k is
10
-10
5
-5
Q2. The number of polynomials having zeroes as –2 and 5 is
1
2
3
more than 3
Q3. If the zeroes of the quadratic polynomial ax² + bx + c, c≠0 are equal, then
c and b have opposite signs
c and a have opposite signs
c and b have same signs
c and a have same signs
Q4. A polynomial of degree 3 is called
a linear polynomial
a quadratic polynomial
a cubic polynomial
a biquadratic polynomial
Q5. Zeroes of a polynomial can be determined graphically. No. of zeroes of a polynomial is equal to no. of points where the graph of polynomial
intersects y-axis
intersects x-axis
intersects y-axis or intersects x-axis
none of these
Q6. The zeroes of the quadratic polynomial x² + 1750x + 175000 are
both negative
one positive and one negative
both positive
both equal
Q7. If one of the zeroes of the cubic polynomial x³ + ax² + bx + c is -1, then the product of the other two zeroes is
b – a + 1
b – a – 1
a – b + 1
a – b – 1
Q8. If one of the zeroes of a quadratic polynomial of the form x² + ax + b is the negative of the other, then it
has no linear term and the constant term is negative.
has no linear term and the constant term is positive.
can have a linear term but the constant term is negative.
can have a linear term but the constant term is positive
Q9. If p(x) is a polynomial of degree one and p(a) = 0, then a is said to be:
Zero of p(x)
Value of p(x)
Constant of p(x)
None of the above
Q10. Dividend is equal to
divisor × quotient + remainder
divisor × quotient
divisor × quotient – remainder
divisor × quotient × remainder
Q11. What should be subtracted from x³ – 2x² + 4x + 1 to get 1?
x³ – 2x² + 4x
x³ – 2x² + 4 + 1
-1
1
Q12. The zeroes of the quadratic polynomial x² + 99x + 127 are
both positive
both negative
one positive and one negative
both equal
Q13. If the zeroes of the quadratic polynomial ax² + bx + c, c ≠ 0 are equal, then
c and a have opposite signs
c and b have opposite signs
c and a have the same sign
c and b have the same sign
Q14. A polynomial of degree n has:
Only one zero
At least n zeroes
More than n zeroes
Atmost n zeroes
Q15. Find the quadratic polynomial whose zeros are 2 and -6
x² + 4x + 12
x² – 4x – 12
x² + 4x – 12
x² – 4x + 12
...and 23 more challenging questions available in the interactive simulator.