Daily Practice

Higher

21st June 1991

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

1
Enlarging with Negative Scale Factors3 marks
The point (-6, -1) is enlarged by scale factor -3 about the centre (1, 1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 12 in B only, 7 in both and 1 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.111... as a fraction in its simplest form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 1. Work out the gradient of any line perpendicular to it.

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