Daily Practice

Higher

29th July 1978

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

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 12 cm and 15 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 6 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 9, lower quartile 15, median 21, upper quartile 25 and maximum 31. Work out the interquartile range.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.1616... as a fraction in its simplest form.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -4x - 6 that passes through (6, -12).

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