Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
9th October 2008
- 1Histograms2 marks
A histogram class is 2 units wide and contains 8 values. Work out the frequency density.
- 2Fractional and Negative Indices3 marks
Work out 8^(2/3).
- 3Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 4. Work out the gradient of any line perpendicular to it.
- 4Repeated Percentage Change3 marks
A town's population is 15000 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.
- 5Enlarging with Negative Scale Factors3 marks
The point (1, -6) is enlarged by scale factor -3 about the centre (-4, 2). Write down the coordinates of the image.
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