Higher
21st November 1971
- 1Enlarging with Negative Scale Factors3 marks
The point (-6, -5) is enlarged by scale factor -3 about the centre (2, -1). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 14 in B only, 12 in both and 1 in neither. Work out the probability a random one is in both.
- 3Box Plots2 marks
A box plot has a minimum of 13 and a maximum of 44. Work out the range.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6060... as a fraction in its simplest form.
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 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 November 1971, including the monthly compilation PDF.