Higher
15th June 1983
- 1Enlarging with Negative Scale Factors3 marks
The point (6, -5) is enlarged by scale factor -3 about the centre (2, 2). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 7 in B only, 10 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 11, 10, 3, 10. Write down the cumulative frequency at the end of the third class.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.2020... as a fraction in its simplest form.
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 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 June 1983, including the monthly compilation PDF.