Mathematics for IGCSE & O level - Coordinate Geometry (Section 3)

  • 1
    What is the distance between the points (3, -2) and (7, 1)?
    Trả lời
    (C)
    5
  • 2
    Which of the following equations represents a line parallel to y = -3x + 1?
    Trả lời
    (C)
    y = -3x - 2
  • 3
    What does the gradient of a straight line represent?
    Trả lời
    (B)
    The slope of the line.
  • 4
    Which of these statements about a vertical line is true?
    Trả lời
    (B)
    It has an undefined gradient.
  • 5
    The length of a line segment with endpoints (0, 0) and (3, 4) is:
    Trả lời
    (C)
    5
  • 6
    If the equation of line 1 is y= -x+3 and the equation of line 2 is x+y=5, what is true?
    Trả lời
    A
    C
    D
  • 7
    What are the coordinates of the midpoint of a line segment with endpoints (2, 4) and (6, 8)?
    Trả lời
    (A)
    (4, 6)
  • 8
    Calculate the distance between points A(1, 2) and B(4, 6).
    Trả lời
    (C)
    5
  • 9
    In the equation y = -3x + 5, what is the slope and y-intercept?
    Trả lời
    (B)
    Slope: -3, y-intercept: 5
  • 10
    Which of the following sets of lines are perpendicular?
    Trả lời
    A
    C
  • 11
    What is the length of the line segment joining (2, 1) and (6, 4)?
    Trả lời
    (C)
    5
  • 12
    If two lines are perpendicular, what is the relationship between their gradients?
    Trả lời
    (C)
    The product of the gradients is -1.
  • 13
    The equation of a line passes through (1,2) and has a gradient of 3. What is the y-intercept?
    Trả lời
    (B)
    2
  • 14
    What is the length of the line segment with endpoints (1, 1) and (4, 5)?
    Trả lời
    (C)
    5
  • 15
    Which statements are true about the line segment connecting points (1, 2) and (4, 6)?
    Trả lời
    A
    B
    D
  • 16
    What is the equation of the line that passes through the point (0, -3) and has a slope of 2?
    Trả lời
    (B)
    y = 2x - 3
  • 17
    What are the two key pieces of information needed to determine the equation of a line?
    Trả lời
    B
    D
  • 18
    The equation of a straight line is of the form y = mx + c. What does 'm' represent?
    Trả lời
    (C)
    The gradient
  • 19
    Find the midpoint of the line segment with endpoints (-2, 5) and (4, -1).
    Trả lời
    (A)
    (1, 2)
  • 20
    A line has a slope of -3 and passes through the point (1, 2). What is the equation of the line?
    Trả lời
    (B)
    y = -3x + 5
  • 21
    What is the gradient of the line described by the equation x + 2y = 4?
    Trả lời
    (B)
    -1/2
  • 22
    What type of line does the equation x = 4 represent?
    Trả lời
    (B)
    A vertical line
  • 23
    What is the gradient of a line passing through the points (0, 0) and (2, 4)?
    Trả lời
    (B)
    2
  • 24
    If two lines cross at right angles at the point (3, 3). One passes through (6, 0). What is the equation of the other line?
    Trả lời
    (D)
    y = x + 3
  • 25
    Which of the following lines is parallel to the line 2x + 3y = 6?
    Trả lời
    (B)
    y = -2/3x + 1
  • 26
    What is the distance between the points (1, 1) and (4, 5)?
    Trả lời
    (A)
    5
  • 27
    Which of the following points lies on the line 2x + y = 5?
    Trả lời
    (A)
    (1, 2)
  • 28
    Which of the following is true about the equation 2x - y + 3 = 0?
    Trả lời
    (B)
    The gradient is 2.
  • 29
    Which point lies on the line 2x + y - 3 = 0?
    Trả lời
    (A)
    (1, 1)
  • 30
    Which of the following points lies on the line y = 2x - 1?
    Trả lời
    (A)
    (0, -1)
  • 31
    What is the equation of a line with gradient -1 that passes through the point (3, -2)?
    Trả lời
    (A)
    y = -x + 1
  • 32
    The equation of a straight line is given by 2x + 3y = 6. What is the y-intercept of this line?
    Trả lời
    (B)
    3
  • 33
    In the equation y = 3x - 2, which is the y-intercept?
    Trả lời
    (B)
    -2
  • 34
    If a line has a gradient of -1/2, what is the gradient of a perpendicular line?
    Trả lời
    (B)
    2
  • 35
    If a line has a gradient of 0, what can be said about it?
    Trả lời
    (B)
    It is a horizontal line.
  • 36
    Which of the following statements are true about the line y = (2/3)x - 4?
    Trả lời
    A
    B
    C
  • 37
    What is the gradient of a horizontal line?
    Trả lời
    (C)
    0
  • 38
    What is the gradient of a line perpendicular to a line with equation y = -2/5x + 3?
    Trả lời
    (C)
    5/2
  • 39
    What information is provided by the gradient of a straight-line graph?
    Trả lời
    A
    C
    D
  • 40
    Which of the following is the gradient of a line that is perpendicular to a line with equation y = 2/3x + 5?
    Trả lời
    (D)
    -3/2
  • 41
    Which statement is true about the lines y = 2x + 1 and y = 2x - 3?
    Trả lời
    (C)
    They are parallel
  • 42
    Which of the following are true statements about the line y = 2x + 3?
    Trả lời
    A
    B
    C
  • 43
    Which of the following is the formula for the midpoint of a line segment with endpoints (x1, y1) and (x2, y2)?
    Trả lời
    (B)
    ((x1 + x2)/2, (y1 + y2)/2)
  • 44
    If the gradient of a line is 2, what is the gradient of a line perpendicular to it?
    Trả lời
    (A)
    -1/2
  • 45
    What is the gradient of the line that is parallel to the x-axis?
    Trả lời
    (C)
    0
  • 46
    The equation of a line is given by y = -5x + 7. What is the y-intercept?
    Trả lời
    (B)
    7
  • 47
    Which of the following are required to fully define a straight line in a 2D plane?
    Trả lời
    A
    C
  • 48
    If a line segment has endpoints (2, 3) and (6, 6), what is its gradient?
    Trả lời
    (A)
    3/4
  • 49
    What is the midpoint of the line segment with endpoints (3, -1) and (-5, 5)?
    Trả lời
    (A)
    (-1, 2)
  • 50
    What is the gradient of the line segment connecting the points (0, 5) and (3, 5)?
    Trả lời
    (A)
    0