Higher
11th January 1987
- 1Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -4x + 9 that passes through (2, -4).
- 2Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 10. Work out y when x = 5.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 40 cm and 41 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 3 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has a minimum of 19 and a maximum of 43. Work out the range.
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