Daily Practice

Higher

24th June 1985

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 140 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Surds2 marks
Write sqrt(27) in the form a sqrt(b), where b is as small as possible.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 3x - 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
The Sine Rule3 marks
In triangle ABC, angle A is 60°, angle B is 39° and side a is 19 cm. Use the sine rule to work out side b, to 1 decimal place.

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