Daily Practice

Higher

28th April 1989

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
Fractional and Negative Indices2 marks
Write 9^-2 as a fraction.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 3. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 24. Work out y when x = 4.
5
Enlarging with Negative Scale Factors3 marks
The point (-3, 4) is enlarged by scale factor -1 about the centre (4, 2). Write down the coordinates of the image.

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