Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

26th August 2008

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
The Sine Rule3 marks
In triangle ABC, angle A is 56°, angle B is 34° and side a is 9 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 3 in B only, 4 in both and 10 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
60 beetles are marked and released. Later 16 are caught, of which 2 are marked. Estimate the population.
4
Fractional and Negative Indices3 marks
Work out 25^(3/2).
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 5x - 24.

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