Daily Practice

Higher

15th February 1980

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the fish population of a pond. State one assumption the method relies on.
2
Standard Form2 marks
Work out (3 x 10^3) x (2 x 10^4). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 9. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 18. Work out y when x = 5.
5
Enlarging with Negative Scale Factors3 marks
The point (1, 6) is enlarged by scale factor -3 about the centre (-2, -3). Write down the coordinates of the image.

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