Daily Practice

Higher

12th January 1962

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

1
Enlarging with Negative Scale Factors3 marks
The point (6, -5) is enlarged by scale factor -2 about the centre (-2, 0). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 9 in B only, 8 in both and 3 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
4
Fractional and Negative Indices3 marks
Work out 36^(3/2).
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 8. Work out the gradient of any line perpendicular to it.

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