Daily Practice

Higher

11th August 1971

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, 40 cm and 41 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 7 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 12, 3, 5, 7. Write down the cumulative frequency at the end of the third class.
4
Fractional and Negative Indices3 marks
Work out 16^(3/2).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 4x - 5 that passes through (2, 14).

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