Daily Practice · Higher

Daily Practice - Higher

21st October 1991

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 216 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Surds2 marks
Write sqrt(12) 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 + 7 that passes through (2, 4).
4
Repeated Percentage Change3 marks
A price rises by 10% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
5
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 7 cm, 24 cm and 25 cm. Work out the angle opposite the 7 cm side, to 1 decimal place.

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