Daily Practice

Higher

5th September 1978

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

1
Capture Recapture3 marks
25 beetles are marked and released. Later 30 are caught, of which 6 are marked. Estimate the population.
2
Standard Form2 marks
Work out (3 x 10^7) x (3 x 10^4). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 7. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (-4, 5) is enlarged by scale factor -3 about the centre (2, 0). Write down the coordinates of the image.

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