Daily Practice · Higher

Daily Practice - Higher

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

6th November 1999

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 64°, angle B is 69° and side a is 16 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 8 are in A only, 7 in B only, 4 in both and 1 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 2, lower quartile 5, median 7, upper quartile 17 and maximum 23. Work out the interquartile range.
4
Bounds2 marks
A mass is 50 kg, correct to the nearest whole number. Write down the lower bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 16x + 63.

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