Daily Practice

Higher

9th May 1980

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
2
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 2x - 15.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 30. Work out y when x = 3.
5
The Sine Rule3 marks
In triangle ABC, angle A is 78°, angle B is 33° and side a is 14 cm. Use the sine rule to work out side b, to 1 decimal place.

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