Daily Practice

Higher

3rd May 1979

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

1
Histograms2 marks
A histogram class is 4 units wide and contains 16 values. Work out the frequency density.
2
Surds2 marks
Write sqrt(50) in the form a sqrt(b), where b is as small as possible.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 6. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A town's population is 15000 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 (3, 5) is enlarged by scale factor -1 about the centre (-2, 3). Write down the coordinates of the image.

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