Daily Practice · Higher

Daily Practice - Higher

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

17th March 2007

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
The Sine Rule3 marks
In triangle ABC, angle A is 62°, angle B is 74° and side a is 7 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 9 in B only, 3 in both and 3 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 14, lower quartile 16, median 20, upper quartile 29 and maximum 38. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 64^(2/3).
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 5x - 24.

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