Daily Practice

Higher

13th June 1981

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 51°, angle B is 72° and side a is 11 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 4 are in A only, 16 in B only, 5 in both and 5 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 14, lower quartile 22, median 28, upper quartile 34 and maximum 37. Work out the interquartile range.
4
Standard Form2 marks
Work out (6 x 10^4) x (8 x 10^-2). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 6x + 5.

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