Daily Practice · Higher

Daily Practice - Higher

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

2nd January 2015

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

1
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 3x - 28.
2
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 32. Work out y when x = 9.
3
The Sine Rule3 marks
In triangle ABC, angle A is 37°, angle B is 47° and side a is 8 cm. Use the sine rule to work out side b, to 1 decimal place.
4
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 4 in B only, 8 in both and 2 in neither. Work out the probability a random one is in both.
5
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.

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