Foundation Plus
24th March 1988
- 1Inequalities on Graphs3 marks
Does the point (1, -4) satisfy y > -x - 8?
- 2Speed and Density2 marks
A block has volume 75 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 25 cm and an angle of 57°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 6 red and 3 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 5, the first being 15 < x <= 20. The frequencies in order are 21, 7, 3, 16, 11. Write down the modal class.
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