Daily Practice · Higher

Daily Practice - Higher

16th August 1991

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
2
Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 81.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 44. Work out y when x = 15.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 154°. Work out angle ABC, where B is on the major arc.

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