Foundation Plus
20th April 1991
- 1Inequalities on Graphs3 marks
Does the point (-2, -23) satisfy y > 4x - 7?
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 12. Work out y when x = 2.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of corresponding angles is 120°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 2 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 10, the first being 30 < x <= 40. The frequencies in order are 7, 11, 16, 21, 3. Write down the modal class.
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