Daily Practice · Higher

Daily Practice - Higher

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

29th April 2017

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 32°, angle B is 61° and side a is 15 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 12 are in A only, 4 in B only, 9 in both and 4 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 2, lower quartile 9, median 13, upper quartile 20 and maximum 24. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 49^(3/2).
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 4x + 3.

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