Daily Practice

Higher

5th March 1983

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 12 cm, 16 cm and 20 cm. Work out the angle opposite the 12 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 4 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 10, lower quartile 17, median 24, upper quartile 28 and maximum 34. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 27^(2/3).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -2x - 4 that passes through (5, -8).

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