Daily Practice

Higher

27th May 1988

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 ladybird population of a garden. State one assumption the method relies on.
2
Bounds2 marks
A mass is 57 kg, correct to the nearest whole number. Write down the upper bound.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 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 = 6. Work out y when x = 8.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, -5) is enlarged by scale factor -1 about the centre (0, -2). Write down the coordinates of the image.

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