MCQ | CHAPTER 2 | POLYNOMIALS
Q1) How many points will the graph of x2 + 2x + 1 will cut the x-axis?
a) 3
b) 2
c) 1
d) 0
Ans: b
Q2) If the graph of a polynomial cuts the x-axis at 3 points, then the polynomial is a) Linear
b) Quadratic
c) Cubic
d) Biquadratic
Ans: c
Q3) What will be the nature of the zeros of a quadratic polynomial if it cuts the x-axis at two different points?
a) Real
b) Distinct
c) Real, Distinct
d) Complex
a) x2 + 2x + 5
Ans: a
Q5) Which of the following is not a polynomial ?
a) x2 + 5x + 10
b) x – 2 + 2x + 4
c) x12 + 10x
d) 5x + 4
Q6) If the zeros of a polynomial are 3 and -5, then they cut the x-axis at ____ and _____ points.
a) (8, 0) and (-4, 0)
b) (3, -3) and (-5, 5)
c) (-3, 0) and (5, 0)
d) (3, 0) and (-5, 0)
Ans: d
Q7) The sum and product of zeros of a quadratic polynomial are 10 and 5/2 respectively. What will be the quadratic polynomial?
a) 2x2 – 20x + 10
b) 2x2 – x + 5
c) 2x2 – 20x + 5
d) x2 – 20x + 5
a) -15
b) -5
c) -10
d) -20
Ans d
Q9) If α and β are the zeros of 3x2 – 5x – 15, then the value of αβ is
a) -5
b) – 10
c) – 15
d) – 20
Ans: a
Q 10) What will be the value of other zero, if one zero of the quadratic polynomial is 5 and the sum of the zeros is 10?
a) 10
b) 5
c) -5
d) -10
Ans: b
Q 11) The value of a and b, if the zeros of x2 + (a + 5)x – (b – 4) are -5 and 9 will be
a) 47, -5
b) -5, 47
c) -9, 49
d) -4, 45
b) 1/5
c) 3/ 4
d) 1/ 4
Q13) If α, β and γ are the zeros of 5x3 + 10x2 – x + 20, then the value of αβγ is
a) -1
b) 5
c) -10
d) – 4
Ans: d
Q14) If α, β and γ are the zeros of 2x3 – 6x2 + 5x + 2, then the value of α + β + γ is
a) 0
b) 1
c) 3
d) 2
Ans c
Q15) If the two zeros of the polynomial x3 – 9x2 -x + 9, are 1 and 9, then the third zero is
a) 9
b) 1
c) 2
d) -1
Ans: d
Q 16) If the zeroes of the quadratic polynomial x2 + (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
Ans: d
b) 3/ 2
c) -1/ 4
d) – 3/ 2
Q 18) A quadratic polynomial, whose zeroes are -4 and -5, is
(a) x² – 9x + 20
(b) x² + 9x + 20
(c) x² – 9x – 20
(d) x² + 9x – 20
quotient is
(a) 0
(b) 1
(c) 2
(d) 3
Ans b
Q 20) If x3 + 11 is divided by x² – 3, then the possible degree of remainder is
(a) 0
(b) 1
(c) 2
(d) less than 2
Ans: d
Q 22) If x5 + 2x4 + x + 6 is divided by g(x) and quotient is x² + 5x + 7, then the possible degree of remainder is:
(a) less than 1
(b) less than 2
(c) less than 3
(d) less than 4
Ans: c
Q 23) What is the number of zeroes that a linear polynomial has/have:
(a) 0
(b) 1
(c) 2
(d) 3
(a) 0
(b) 1
(c) 2
(d) 3
(a) 0
(b) 1
(c) 2
(d) 3
(a) 10
(b) -8
(c) 9
(d) -10
Q27) If 1 is one of the zeroes of the polynomial x² + x + k, then the value of k is:
(a) 2
(b) -2
(c) 4
(d) – 4
Ans : b
a) – 4
b) 2
c) – 2
d) 4
Q 29) What is the degree of a zero polynomial
a) Less than 1
b) 0
c) Undefined
d) None of these
Ans: c
Q 30) If x4 + 3x² + 7 is divided by 3x + 5, then the possible degrees of quotient and remainder are:
(a) 3, 0
(b) 4, 1
(c) 3, 1
(d) 4, 0
Q 31) What is the degree of a linear polynomial :
a) 0
b) 1
c) 2
d) 3
a) 0
b) 1
c) 2
d) 3
Ans: a
a) Parabola
b) Origin
c) Straight Line
d) Circle
Ans: c
a) Parabola
b) Origin
c) Straight Line
d) Circle
Ans: a
a) x2 + x – 6
b) x2 + x + 6
c) x2 – x – 6
d) x2 + 2x – 6
Ans: c
Q 36) The sum of zeroes of bx2 + ax + c
Q 37) If one zero of a quadratic polynomial ax2 + bx + c is zero then c =
a) 0
Ans: a
Q 38) If sum of zeroes of 2x2 – kx + 3 is 2, then k =
a) -4
b) 2
c) -2
d) 4
Ans : d
Q 39) If one zero of polynomial x2 + px + 4 is 2, then find p
a) 4
b) -2
c) – 4
d) 2
Ans: c
Q 40) If one zero of 5x2 – (k + 2)x + 3 is negative of the other then find k
a) 2
b) – 4
c) – 2
d) 4
Ans : c
of ax2 + (a – 4)x + 3 is
reciprocal of other
a) – 3
b) 2
c) – 2
d) 3