Daily Practice · Higher

Daily Practice - Higher

28th January 1997

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

1
Capture Recapture3 marks
50 newts are marked and released. Later 84 are caught, of which 7 are marked. Estimate the population.
2
Bounds2 marks
A mass is 590 kg, correct to the nearest 10. Write down the upper bound.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 4. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, 0) is enlarged by scale factor -1 about the centre (1, 1). Write down the coordinates of the image.

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