Daily Practice · Higher

Daily Practice - Higher

22nd December 1994

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

1
Histograms2 marks
A histogram class is 20 units wide and contains 50 values. Work out the frequency density.
2
Reverse Percentages3 marks
A bill is £816 including VAT at 20%. Work out the amount before VAT.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 3. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A town's population is 23000 and grows by 3% each year. Work out the population after 2 years, to the nearest whole number.
5
Enlarging with Negative Scale Factors3 marks
The point (2, 3) is enlarged by scale factor -1 about the centre (-1, -4). Write down the coordinates of the image.

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