Daily Practice

Higher

12th December 1983

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 57°, angle B is 34° and side a is 13 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 13 are in A only, 11 in B only, 9 in both and 1 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 236 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
Bounds2 marks
A mass is 6.5 kg, correct to 1 decimal place. Write down the upper bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 13x + 40.

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