Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

18th November 2005

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
2
Fractional and Negative Indices3 marks
Work out 16^(3/2).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 8. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 99. Work out y when x = 2.
5
Enlarging with Negative Scale Factors3 marks
The point (-1, 2) is enlarged by scale factor -1 about the centre (-4, 1). Write down the coordinates of the image.

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