Daily Practice

Higher

9th April 1982

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

1
Enlarging with Negative Scale Factors3 marks
The point (-1, -2) is enlarged by scale factor -3 about the centre (4, -2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 5 in B only, 10 in both and 8 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
4
Fractional and Negative Indices3 marks
Work out 216^(2/3).
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 3. Work out the gradient of any line perpendicular to it.

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