Daily Practice

Higher

14th April 1978

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 newt population of a stream. State one assumption the method relies on.
2
Bounds2 marks
A mass is 140 kg, correct to the nearest 10. Write down the upper bound.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 7. 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 = 24. Work out y when x = 11.
5
Enlarging with Negative Scale Factors3 marks
The point (2, -2) is enlarged by scale factor -1 about the centre (-4, -2). Write down the coordinates of the image.

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