Foundation Plus
30th April 1981
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 5/x, work out y when x = 1, and write down the equation of its vertical asymptote.
- 2Speed and Density2 marks
A block has volume 95 cm^3 and density 3 g/cm^3. Work out its mass.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 13 cm and an angle of 41°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 4 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has minimum 8, lower quartile 16, median 24, upper quartile 34 and maximum 39. Work out the interquartile range.
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