Daily Practice

Higher

28th October 1980

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Enlarging with Negative Scale Factors3 marks
The point (-2, 4) is enlarged by scale factor -1 about the centre (1, 4). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 9 in B only, 11 in both and 5 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
40 newts are marked and released. Later 88 are caught, of which 8 are marked. Estimate the population.
4
Fractional and Negative Indices3 marks
Work out 8^(2/3).
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 2. Work out the gradient of any line perpendicular to it.

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