Daily Practice

Higher

7th September 1981

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 120 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Surds2 marks
Write sqrt(45) in the form a sqrt(b), where b is as small as possible.
3
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -4x + 8 that passes through (1, -1).
4
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
5
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 6 cm, 8 cm and 10 cm. Work out the angle opposite the 6 cm side, to 1 decimal place.

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