Difficult Maths Equations and Trivia

How much do you REALLY know about maths?
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Don't cheat by searching on the net, and find out just how much you know about mathematics! Don't go thinking its too easy...
1
What is the value of Pi to 8 decimal places ?
  • 4.15378921
  • 3.14159265
  • 3.14159239
  • 3.22157896
    • 2
    What is the value of ln9?
  • ln7 + ln2
  • 9.3
  • 81 + ln1
  • 2ln3
    • 3
    What is the general Equation of a line?
  • y = x
  • ay = bx
  • y = mx + c
  • y = mx
    • 4
    The gradient of a line can be found by which of these formulae?
  • dy / dx
  • dy * d
  • d * dx
  • None of the above
    • 5
    Which of these is impossible?
  • log 0
  • ln 1
  • sin 80 (degrees)
  • tan 2000 (radians)
    • 6
    Is the standard deviation of a sample the same as the varience?
  • Yes
  • No
    • 7
    Is the cosine rule; a² = b² + c² - 2bc cosA
  • Yes
  • No
    • 8
    Which of these is the correct trigonometric identity for sin(a + b)
  • sin a cos b - cos a sin b
  • cos a cos b - sin a sin b
  • sin a cos b + cos a sin b
  • cos a cos b + sin a sin b
    • 9
    What is the volume of a sphere?
    10
    What is 2.45 * 10 ^ (-19)
  • 0.0000000000000000000245
  • 0.000000000000000000245
  • 0.00000000000000000245
  • 0.0000000000000000245
    • 11
    When did Pythagoras live (according to the most recent historical evidence)?
  • 1500 BC - 1433 BC
  • 472 BC - 400 BC
  • 502 BC - 438 BC
  • 580 BC - 500 BC
    • 12
    How many vertices does a cuboid have?
  • 4
  • 6
  • 8
  • 12
    • 13
    What is 493% of £52.87? (rounded to the nearest pence)
    14
    The graph of tan has 4 assymptotes
  • True
  • False
    • 15
    What is the square root of ( -1)
  • i
  • b
  • z
  • 1
    • Unanswered questions will be marked as wrong

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