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GAUTENG department OF study SENIOR SECONDARY INTERVENTION broadcast M ATHEMATICS configuration 11 posing 20 (LEARNER NOTES) numeric MODELLING Learner Note: numeric modelling is the activity of functions in the real world. Data is represented on a resolve plot and the trend of the data is modelled by a line or pervert of best fit. partition A: TYPICAL EXAM QUESTIONS Question 1 (15 minutes) The table at a lower place represents the number of people infected with a deadly new(a) virus from the year cc2 to 2007. Year 2002 2003 2004 2005 2006 2007 (a) (b) Number of infections 118 123 131 134 136 138 dupe a spatter plot to represent this data. (2) Explain whether a linear, quadratic or exponential curve would be a line or curve of best fit. (1) Page 1 of 8 GAUTENG part OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME M ATHEMATICS GRADE 11 SESSION 20 Question 2 (LEARNER NOTES) (15minutes) A parachutist jumps out of a cleaver and his natural elevation above ground level is estimated at various cadence after he opened his parachute. The following table gives the results of the observations where y measures his height above ground level in metres and t represents the time in seconds after he opened his parachute. t y (a) 2 500 3 300 4 200 5 120 6 70 7 40 8 20 Draw a split plot for the above information.

(2) 600 550 500 450 400 350 300 250 200 150 100 50 0 0 1 2 3 4 5 6 7 8 9 (b) Describe the curve of best fi t. (1) (c) practice session the sc! atter plot to estimate the height of the parachutist 5,5 seconds after he had opened his parachute. (1) Page 2 of 8 GAUTENG segment OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME M ATHEMATICS GRADE 11 SESSION 20 (LEARNER NOTES) SECTION B: SOLUTIONS AND HINTS Question 1 (a) ? all points plotted correctly. (2) (b) ? answer Linear...If you hold to get a full essay, order it on our website: OrderCustomPaper.com

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