Daily Practice

Higher

6th January 1983

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Histograms2 marks
A histogram class is 20 units wide and contains 80 values. Work out the frequency density.
2
Standard Form2 marks
Work out (9 x 10^4) x (9 x 10^-6). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 1. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A town's population is 7000 and grows by 8% each year. Work out the population after 4 years, to the nearest whole number.
5
Enlarging with Negative Scale Factors3 marks
The point (2, 4) is enlarged by scale factor -1 about the centre (4, 0). Write down the coordinates of the image.

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