Daily Practice

Higher

25th January 1990

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

1
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 7. Work out the gradient of any line perpendicular to it.
2
Repeated Percentage Change3 marks
A town's population is 32000 and grows by 8% each year. Work out the population after 3 years, to the nearest whole number.
3
Enlarging with Negative Scale Factors3 marks
The point (-4, -4) is enlarged by scale factor -1 about the centre (-3, 3). Write down the coordinates of the image.
4
Venn Diagrams3 marks
In a Venn diagram, 13 are in A only, 10 in B only, 5 in both and 7 in neither. Work out the probability a random one is in both.
5
Histograms2 marks
A histogram class is 20 units wide and contains 80 values. Work out the frequency density.

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