Foundation Plus
18th September 1977
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 35/x, work out y when x = 5, and write down the equation of its vertical asymptote.
- 2Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 8 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 200 times. How many heads would you expect?
- 5Box Plots2 marks
A box plot has minimum 11, lower quartile 14, median 20, upper quartile 22 and maximum 24. Work out the interquartile range.
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