Foundation Plus
21st September 1981
- 1Inequalities on Graphs3 marks
Does the point (5, -12) satisfy y > -x + 1?
- 2Repeated Percentage Change3 marks
A town's population is 28500 and grows by 3% each year. Work out the population after 6 years, to the nearest whole number.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 15 cm and an angle of 39°. Work out the side opposite that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 7 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 20 < x <= 30. The frequencies in order are 16, 11, 3, 7, 21. Write down the modal class.
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