Higher
21st August 1988
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 50/x, work out y when x = 10, and write down the equation of its vertical asymptote.
- 2Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 10. Work out y when x = 10.
- 3Similar Shapes (Area and Volume)3 marks
Two similar solids have lengths in the ratio 1 : 2. The larger has a volume of 304 cm^3. Work out the volume of the smaller.
- 4Probability Trees3 marks
A bag holds 3 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has a minimum of 16 and a maximum of 41. Work out the range.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1988, including the monthly compilation PDF.