Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

20th September 2001

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

1
Enlarging with Negative Scale Factors3 marks
The point (2, -1) is enlarged by scale factor -1 about the centre (-2, 4). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 3 in B only, 11 in both and 10 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 4 units wide and contains 16 values. Work out the frequency density.
4
Reverse Percentages3 marks
A bill is £912 including VAT at 20%. Work out the amount before VAT.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 4. Work out the gradient of any line perpendicular to it.

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