Foundation Plus
24th March 1987
- 1Drawing Linear Graphs3 marks
A line has equation y = 5x - 15. Write down where it crosses the x-axis and where it crosses the y-axis.
- 2Compound Interest and Depreciation3 marks
£4700 is invested at 2.5% compound interest per year. Work out the value after 3 years, to the nearest penny.
- 3Transformations2 marks
The point (-8, -8) is rotated 90° clockwise about the origin. Write down the coordinates of the image.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 200 times. How many heads would you expect?
- 5Cumulative Frequency2 marks
Four classes in order have frequencies 7, 7, 7, 3. Write down the cumulative frequency at the end of the third class.
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