Mathematics for IGCSE & O level - Vectors (Section 5)

  • 1
    Given vector v = [x, y], which statement is correct?
    উত্তর
    A
    C
    D
  • 2
    A vector's direction is best described by:
    উত্তর
    (C)
    An angle or orientation
  • 3
    In the context of vector geometry, what does the term 'parallel' mean regarding two vectors?
    উত্তর
    (C)
    The vectors lie in the same plane and never intersect.
  • 4
    If a translation moves a point from (1, 2) to (4, 6), what is the translation vector?
    উত্তর
    (A)
    [3, 4]
  • 5
    The magnitude of the vector [3, 4] is:
    উত্তর
    (B)
    5
  • 6
    In the context of vectors, which of the following are correct?
    উত্তর
    A
    C
    D
  • 7
    Which of the following is true about finding the magnitude of a vector?
    উত্তর
    (D)
    The magnitude is found by squaring both components and then taking the square root of their sum
  • 8
    When a vector is multiplied by a scalar, what aspect(s) of the vector change(s)?
    উত্তর
    A
    B
  • 9
    Which of the following are true concerning vectors?
    উত্তর
    A
    B
    C
  • 10
    If vector a = [2,3], and vector b = [4,1], what is the vector 3a + 2b?
    উত্তর
    (A)
    [14,11]
  • 11
    If A is the point (3, -1) and B is the point (0, 2), what is the magnitude of vector AB?
    উত্তর
    (B)
    √13
  • 12
    If a translation is described by the vector [-2, 1], what operation is performed on the x and y coordinates?
    উত্তর
    (A)
    Subtract 2 from x, add 1 to y.
  • 13
    Which operation changes only the magnitude of a vector and not its direction?
    উত্তর
    (B)
    Scalar multiplication with a positive scalar
  • 14
    Given vector a = [3, -1] and vector b = [-2, 2], then -a + b is:
    উত্তর
    (B)
    [-1, 1]
  • 15
    In a parallelogram ABCD, if AB = a and AD = b, then AC equals:
    উত্তর
    (C)
    a + b
  • 16
    Which of the following is equivalent to the vector -v?
    উত্তর
    (A)
    v multiplied by -1
  • 17
    How is the vector AB defined in terms of position vectors?
    উত্তর
    (B)
    OB - OA
  • 18
    What type of transformation is described by the vector [0, 4]?
    উত্তর
    (C)
    A translation 4 units up
  • 19
    If vector a = [2, 0] and b = [0, 3], then 2a + b is:
    উত্তর
    (A)
    [4, 3]
  • 20
    Which of the following are characteristics of a vector?
    উত্তর
    A
    B
  • 21
    If AB = CD and CD = EF, what is the relationship between AB and EF?
    উত্তর
    (A)
    AB = EF
  • 22
    Given vector u = [2, -1], and vector v = [-1, 3], what is the result of u + v?
    উত্তর
    (A)
    [1, 2]
  • 23
    Given the vectors a = [1, 0] and b = [0, 1], what is the magnitude of a + b?
    উত্তর
    (C)
    √2
  • 24
    What is the result when you add the vectors [2, 3] and [-1, 1]?
    উত্তর
    (B)
    [1, 4]
  • 25
    If a is a vector and k is a scalar, what is the effect of multiplying the vector a by the scalar k?
    উত্তর
    A
    B
  • 26
    What does a position vector in the context of vectors describe?
    উত্তর
    (B)
    The position of a point relative to the origin
  • 27
    Which geometric transformation is represented by a vector?
    উত্তর
    (D)
    Translation
  • 28
    Which is the result of a - a, where a is a vector?
    উত্তর
    (A)
    The zero vector
  • 29
    If point A is at (1, 2) and it is translated by the vector [2, 3], what are the new coordinates of A?
    উত্তর
    (A)
    (3, 5)
  • 30
    If AB = [2, 5] and AC = [1, 1], then BC is equal to:
    উত্তর
    (B)
    [-1, -4]
  • 31
    Given vector a = [3, -2], which of the following vectors is equal to -2a?
    উত্তর
    (B)
    [-6, 4]
  • 32
    The top number in a column vector tells you how the shape moves ______, or in the y-direction.
    উত্তর
    (A)
    Left or right
  • 33
    What geometric shape can represent the vector sum of three vectors, where the endpoint of one vector is the start point of the next?
    উত্তর
    (B)
    A triangle
  • 34
    In the column vector, [3, -1], the shape moves ______, and ______.
    উত্তর
    (B)
    3 units right, 1 unit down
  • 35
    Which of the following statements correctly defines a unit vector?
    উত্তর
    (B)
    A vector with a magnitude of 1 and a defined direction.
  • 36
    If you translate a point with coordinates (x, y) using the vector [a, b], what are the new coordinates of the point?
    উত্তর
    (A)
    (x + a, y + b)
  • 37
    If vector AB = [6, 8], what is the magnitude of the vector -AB?
    উত্তর
    (A)
    10
  • 38
    Which of the following represents the zero vector?
    উত্তর
    (C)
    [0, 0]
  • 39
    If a vector 'v' is [2, 3], which is the result of -1/2 v?
    উত্তর
    (C)
    [-1, 1.5]
  • 40
    Given points A(1, 2) and B(4, 6), what is the vector from A to B in component form?
    উত্তর
    (C)
    [3, 4]
  • 41
    Which statement is true about vectors?
    উত্তর
    A
    B
  • 42
    What geometric figure does the addition of two vectors, represented by the sides, define?
    উত্তর
    (B)
    A triangle
  • 43
    In column vector notation, which component indicates the horizontal direction and magnitude of movement?
    উত্তর
    (A)
    The top number
  • 44
    When adding two column vectors, you _______ the corresponding components.
    উত্তর
    (C)
    add
  • 45
    Given vector a = [5, 12], what is its magnitude?
    উত্তর
    (B)
    13
  • 46
    What is a zero vector?
    উত্তর
    (C)
    A vector with a magnitude of 0 and no direction.
  • 47
    If vector a = [4, 3], then what is the unit vector of a?
    উত্তর
    (B)
    [4/5, 3/5]
  • 48
    Which of the following statements are true regarding vector geometry?
    উত্তর
    A
    C
    D
  • 49
    If vector a = [5, -1] and vector b = [-2, 3], which of these represents the resultant vector of a + b?
    উত্তর
    (B)
    [7, -4]