Daily Practice

Higher

9th January 1990

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

1
Enlarging with Negative Scale Factors3 marks
The point (3, -6) is enlarged by scale factor -3 about the centre (-1, -3). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 16 in B only, 3 in both and 1 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
55 newts are marked and released. Later 32 are caught, of which 4 are marked. Estimate the population.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.222... as a fraction in its simplest form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 5. Work out the gradient of any line perpendicular to it.

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