Foundation Plus
18th January 1988
- 1Inequalities on Graphs3 marks
Does the point (-1, -4) satisfy y > 4x + 6?
- 2Repeated Percentage Change3 marks
A town's population is 23000 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 137°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 8 red and 4 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 20 < x <= 25. The frequencies in order are 7, 21, 3, 16, 11. Write down the modal class.
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