Foundation Plus
17th June 1989
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 40/x, work out y when x = 10, and write down the equation of its vertical asymptote.
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 49. Work out y when x = 2.
- 3Area and Perimeter2 marks
A triangle has a base of 26 cm and a perpendicular height of 9 cm. Work out its area.
- 4Probability Trees3 marks
A bag holds 6 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has minimum 9, lower quartile 12, median 14, upper quartile 18 and maximum 23. Work out the interquartile range.
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