Foundation Plus
27th March 1967
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -36/x, work out y when x = -4, and write down the equation of its vertical asymptote.
- 2Repeated Percentage Change3 marks
A town's population is 28500 and grows by 5% each year. Work out the population after 2 years, to the nearest whole number.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 14 cm and an angle of 65°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 3 red and 8 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has minimum 10, lower quartile 20, median 25, upper quartile 33 and maximum 42. Work out the interquartile range.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1967, including the monthly compilation PDF.