Daily Practice

Higher

25th August 1982

5 questions · 13 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 6 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 6, 12, 11, 9. Write down the cumulative frequency at the end of the third class.
4
Surds2 marks
Write sqrt(50) in the form a sqrt(b), where b is as small as possible.
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -4x + 1 that passes through (3, -2).

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