Higher
31st January 1963
- 1Enlarging with Negative Scale Factors3 marks
The point (2, 2) is enlarged by scale factor -1 about the centre (-2, -4). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 18 in B only, 2 in both and 3 in neither. Work out the probability a random one is in both.
- 3Histograms2 marks
A histogram class is 10 units wide and contains 25 values. Work out the frequency density.
- 4Standard Form3 marks
Work out (28 x 10^9) / (7 x 10^4). Give your answer in standard form.
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 6. 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 January 1963, including the monthly compilation PDF.