Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

22nd September 2012

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
The Sine Rule3 marks
In triangle ABC, angle A is 39°, angle B is 34° and side a is 8 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, 15 in B only, 4 in both and 10 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 10, lower quartile 19, median 23, upper quartile 28 and maximum 31. Work out the interquartile range.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3838... as a fraction in its simplest form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 3x - 18.

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