Foundation Plus
21st October 1981
- 1Drawing Linear Graphs3 marks
A line has equation y = 5x - 10. Write down where it crosses the x-axis and where it crosses the y-axis.
- 2Percentages2 marks
Anika scored 3 out of 20 in a test. What percentage is this?
- 3Transformations2 marks
The point (-2, -1) is rotated 180° about the origin. Write down the coordinates of the image.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 200 times. How many heads would you expect?
- 5Cumulative Frequency2 marks
Four classes in order have frequencies 10, 5, 11, 12. Write down the cumulative frequency at the end of the third class.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1981, including the monthly compilation PDF.