Foundation Plus
17th September 1983
- 1Inequalities on Graphs3 marks
Does the point (3, 16) satisfy y > x + 5?
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 24. Work out y when x = 12.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 86°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 2 red and 6 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 0 < x <= 5. The frequencies in order are 21, 16, 11, 7, 3. Write down the modal class.
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