10th Standard CBSE - Maths - Polynomials

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Question - 1

Which of the following is not the graph of a quadratic polynomial?

  • A
  • B
  • C
  • D

Question - 2

If 1 is a zero of the polynomial p(a)=x2a2-2xa+3x-2 . Then x=

  • A -1, -2
  • B 2, 1
  • C 2,-1
  • D -2, 1

Question - 3

The number of polynomials having zeroes -2 and 5 is:

  • A 1
  • B 3
  • C 2
  • D more than 3

Question - 4

If -√5 and √5 are the roots of the quadratic polynomial. Find the quadratic polynomial

 

 

  • A (x-5)(x+5)
  • B x2 – 25
  • C x-5
  • D x2 – 5

Question - 5

If the degree of the dividend is 5 and the degree of the divisor is 3, then the degree of the quotient will be

  • A 0
  • B 2
  • C 1
  • D -2

Question - 6

The graph of the polynomial f(x) = 2x – 5 crosses the X-axis at the point

  • A (1, -3)
  • B (5/2, 0)
  • C (0, 0)
  • D (4, 3)

Question - 7

The value of p when x3 + 9x2 + px – 10 is exactly divisible by (x+ 2 ) is ____

 

  • A 1
  • B 6
  • C 3
  • D 9

Question - 8

If the product of two zeros of the polynomial f(x) = 2x3 + 6x2 – 4x + 9 is 3, then its third zero is

  • A 3/2
  • B 9/2
  • C -9/2
  • D -3/2

Question - 9

The value of quadratic polynomial f (x)=2x2– 3x- 2 at x =-2 is

  • A 15
  • B 16
  • C -12
  • D 12

Question - 10

If one root of the equation (p + q)2 x2 – 2 (p + q) x + k =0 is 5/p+q , then k is

  • A 15
  • B 50
  • C -15
  • D -50
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