Daily Practice

Higher

11th August 1979

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 55°, angle B is 32° and side a is 18 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, 14 in B only, 7 in both and 2 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 1, lower quartile 5, median 7, upper quartile 13 and maximum 18. Work out the interquartile range.
4
Bounds2 marks
A mass is 500 kg, correct to the nearest 10. Write down the upper bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 10x + 9.

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