Daily Practice

Higher

11th July 1975

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 moth population of a meadow. State one assumption the method relies on.
2
Fractional and Negative Indices3 marks
Work out 27^(2/3).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 2. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 84. Work out y when x = 15.
5
Enlarging with Negative Scale Factors3 marks
The point (2, 4) is enlarged by scale factor -1 about the centre (1, -3). Write down the coordinates of the image.

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