Daily Practice - Higher
2nd April 1997
- 1Enlarging with Negative Scale Factors3 marks
The point (2, -4) is enlarged by scale factor -2 about the centre (0, -3). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 11 in B only, 3 in both and 3 in neither. Work out the probability a random one is in both.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 12, 10, 3, 9. Write down the cumulative frequency at the end of the third class.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.222... as a fraction in its simplest form.
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 3. Work out the gradient of any line perpendicular to it.
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