Daily Practice

Higher

18th October 1988

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture3 marks
30 beetles are marked and released. Later 15 are caught, of which 5 are marked. Estimate the population.
2
Standard Form2 marks
Work out (3 x 10^3) x (8 x 10^-2). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 5. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (-1, 1) is enlarged by scale factor -1 about the centre (-1, 1). Write down the coordinates of the image.

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