Foundation Plus
8th October 1988
- 1Inequalities on Graphs3 marks
Does the point (3, -15) satisfy y > -3x - 1?
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 33. Work out y when x = 13.
- 3Area and Perimeter2 marks
A triangle has a base of 26 cm and a perpendicular height of 14 cm. Work out its area.
- 4Probability Trees3 marks
A bag holds 3 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 20 < x <= 30. The frequencies in order are 21, 7, 3, 16, 11. Write down the modal class.
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