Daily Practice

Higher

14th September 1990

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
2
Fractional and Negative Indices3 marks
Work out 16^(3/2).
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 100.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 18. Work out y when x = 5.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 70°. Work out angle ABC, where B is on the major arc.

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