Foundation Plus
29th April 1972
- 1Inequalities on Graphs3 marks
Does the point (4, -7) satisfy y > -x - 5?
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 77. Work out y when x = 10.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 26 cm and one shorter side of 24 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 2 red and 5 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 40 < x <= 50. The frequencies in order are 7, 11, 3, 16, 21. Write down the modal class.
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