Daily Practice

Higher

12th July 1980

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 75°, angle B is 74° and side a is 10 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 14 in B only, 2 in both and 8 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 3, lower quartile 8, median 15, upper quartile 18 and maximum 28. Work out the interquartile range.
4
Fractional and Negative Indices2 marks
Write 2^-2 as a fraction.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 3x - 28.

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