5932 Non-linear Real World Graphs

9 Questions | Total Attempts: 60

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5932 Non-linear Real World Graphs

This test is graded manually, as the questions asked do not give an exact answer, but are often estimates based on a graph.


Questions and Answers
  • 1. 
    The forestry commission has collected data for a particular type of tree. The data set gives the girth of the tree in centimetres at a particular age.On Worksheet 5932, draw a graph of Girth vs Age.
  • 2. 
    Plot these points on Worksheet 5932. Sketch in the curve of best fit. (Extend your curve to x=70)
  • 3. 
    From the graph you have drawn for the above data, find the girth of tree at 4 years old.
  • 4. 
    At what age would the girth of the tree be 80cm?
  • 5. 
    This graph shows the temperature of a person admitted to hospital at 9:00 and the temperature recorded between 9am and 8pm.For how long did the persons temperature rise before reaching a maximum?
  • 6. 
    This graph shows the temperature of a person admitted to hospital at 9:00 and the temperature recorded between 9am and 8pm.What is the maximum temperature in degrees Celcius recorded?
  • 7. 
    This graph shows the temperature of a person admitted to hospital at 9:00 and the temperature recorded between 9am and 8pm.At what time was the temperature 39 degrees?
  • 8. 
    This graph shows the temperature of a person admitted to hospital at 9:00 and the temperature recorded between 9am and 8pm.What was the temperature at 18:00?
  • 9. 
    This graph shows the temperature of a person admitted to hospital at 9:00 and the temperature recorded between 9am and 8pm.Assuming the temperature continues to fall after 20:00, what time would you expect the temperature to reach 37 degrees?
  • 10. 
    Find by interpolation a y value corresponding to x = 25
  • 11. 
    Find by extrapolation a y value corresponding to x = 60