Daily Practice

Higher

25th June 1981

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

1
Enlarging with Negative Scale Factors3 marks
The point (1, 6) is enlarged by scale factor -3 about the centre (0, -2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 15 in B only, 4 in both and 3 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 10 units wide and contains 25 values. Work out the frequency density.
4
Reverse Percentages3 marks
A bill is £192 including VAT at 20%. Work out the amount before VAT.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 2. Work out the gradient of any line perpendicular to it.

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