Daily Practice · Higher

Daily Practice - Higher

30th December 1994

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

1
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 81.
2
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 40. Work out y when x = 13.
3
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 92°. Work out angle ABC, where B is on the major arc.
4
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 12 in B only, 4 in both and 9 in neither. Work out the probability a random one is in both.
5
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.

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