Foundation Plus
13th June 1991
- 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 85 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 26 cm and one shorter side of 10 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 3 red and 6 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has minimum 3, lower quartile 10, median 15, upper quartile 19 and maximum 25. Work out the interquartile range.
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