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Maths MCQ Ch-2 Class 10 | Polynomial
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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
b) Quadratic
c) Cubic
d) Biquadratic
Ans: c
a) Real
b) Distinct
c) Real, Distinct
d) Complex
Q4) Which of the following is a polynomial
a) x2 + 2x + 5
Ans: a
a) x2 + 5x + 10
b) x - 2 + 2x + 4
c) x12 + 10x
d) 5x + 4
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
a) 2x2 - 20x + 10
b) 2x2 – x + 5
c) 2x2 - 20x + 5
d) x2 - 20x + 5
Q8) If α and β are the zeros of x2 + 20x - 80, then the value of α + β is
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
a) 47, -5
b) -5, 47
c) -9, 49
d) -4, 45
b) 1/5
c) 3/ 4
d) 1/ 4
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
(a) x² - 9x + 20
(b) x² + 9x + 20
(c) x² - 9x - 20
(d) x² + 9x - 20
Q19) If x3 + 1 is divided by x² + 5, then the possible degree of quotient is
(a) 0
(b) 1
(c) 2
(d) 3
Ans b
(a) 0
(b) 1
(c) 2
(d) less than 2
Ans: d
(a) less than 1
(b) less than 2
(c) less than 3
(d) less than 4
Ans: c
(a) 0
(b) 1
(c) 2
(d) 3
Q 24) What is the number(s) of zeroes that a quadratic polynomial has/have:
(a) 0
(b) 1
(c) 2
(d) 3
Q 25) What is the number(s) of zeroes that a cubic polynomial has/have:
(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
(a) 3, 0
(b) 4, 1
(c) 3, 1
(d) 4, 0
a) 0
b) 1
c) 2
d) 3
Q 32) Degree of a constant polynomial is :
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
a) 0
Ans: a
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
a) - 3
b) 2
c) - 2
d) 3
a) 1
b) 4
c) - 1
d) - 4
Ans: c
Q 43) Find k , If
a) 2
b) - 3
c) 3
d) - 2
Ans: d
Q 44) A quadratic polynomial, whose zeroes are – 3 and 4, is
a) x2 – x +
12
b) x2 - x -
12
c) 2x2 – x + 18
d) 2x2 – x – 24
a) 4/3
b) -4/3
c) 2/3
d) -2/3
Questions from CBSE Sample Paper 2021-22
Basic Maths SP (241) & Standard Maths SP (041)
(a) -8
(b) -7
(c) 1
(d) 8
(b) p = r = - 2
(c) p = 2, r = - 2
(d) p = - 2, r = 2
Q 48) The number of quadratic polynomials having zeroes - 2 and 5 is :
a) 1
b) 2
c) 3
d) More than 3
a) a + 1 = b
b) a – b = 0
c) a – b – 1 = 0
d) a + b = 1
Q 50) The quadratic polynomial whose zeroes are 2 and 3 is :
a) x2 + 5x + 6
b) x2 + 5x – 6
c) x2 - 5x + 6
d) x2 - 5x – 6
a) a = 1, b = 3
b) a = 3, b = 1
c) a = -1, b = 5
d) a = 5, b = -1
b) 4
c) 3
d) 1
a) a > 0
b) b > 0
c) c > 0
a < 0
a) 4/3
b) -4/3
c) 2/3
d) -2/3
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It is very useful to our students , thank you so much giving useful MCQ IN MATHEMATICS.
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