Question 7 y 5


3 4


1 2


–6 –5 –4 –3 –2 –1 0


–1 –2


–3 –4 –5


7.1 Write down the co-ordinates of the vertices of rectangle A.


7.2 On cm2 dotted paper, copy the diagram. Reflect rectangle A in the x-axis and label the image B.


7.3 Translate B five units to the left and label the image C. 7.4 Reflect C in the x-axis and label the image D. 7.5 What transformation will map A to C?


Question 8


A leading cell phone company did research into the average amount of data people used on their cell phones per month. They investigated thousands of cell phone records of people in Gauteng and recorded how many megabytes (MB) of data each person used. They grouped the data into intervals as shown in the table below. 0−25


Data usage in MB per month


Frequency (thousands)


201 25−50 50−75 75−100 100−125 125−150 > 150 412 695 715 654


8.1 What type of data are we working with in this example? 8.2 What was the total sample size?


8.3 What population is the cell phone company studying with this sample?


Term 4: December Exemplar Examination 410 150


(1) (1)


(1) 455 (1)


(1) (1) (1)


(1) [5]


1 2 3 4 5 6 x A


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