Foundation Plus
17th November 1985
- 1Inequalities on Graphs3 marks
Does the point (-3, -25) satisfy y > 4x - 8?
- 2Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 8. Write y in terms of x.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 68°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 3 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, 3, 11, 21, 16. Write down the modal class.
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