Higher
10th October 1979
- 1Enlarging with Negative Scale Factors3 marks
The point (6, 2) is enlarged by scale factor -1 about the centre (-3, -3). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 18 in B only, 5 in both and 8 in neither. Work out the probability a random one is in both.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 12, 10, 3, 5. Write down the cumulative frequency at the end of the third class.
- 4The Product Rule for Counting2 marks
A meal deal has 4 mains, 6 sides and 4 drinks. How many different meals are possible?
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 4. Work out the gradient of any line perpendicular to it.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1979, including the monthly compilation PDF.