Daily Practice
Higher
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22nd September 1957
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 15. Work out y when x = 5.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -3. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
19 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has a minimum of 8 and a maximum of 68. Work out the range.
- 5Fractional and Negative Indices3 marks
Work out 64^(2/3).
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