Foundation Plus
12th April 1989
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 10/x, work out y when x = -10, and write down the equation of its vertical asymptote.
- 2Percentages2 marks
Erin scored 10 out of 40 in a test. What percentage is this?
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 41 cm and one shorter side of 9 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 6 red and 2 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 15, lower quartile 23, median 30, upper quartile 38 and maximum 47. Work out the interquartile range.
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