Daily Practice · Higher

Daily Practice - Higher

27th July 1991

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 45°, angle B is 38° and side a is 20 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, 10 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 9, lower quartile 19, median 22, upper quartile 29 and maximum 35. Work out the interquartile range.
4
Standard Form2 marks
Work out (9 x 10^6) x (2 x 10^3). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 9x + 14.

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