Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
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18th November 2001
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 72. Work out y when x = 12.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -2. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
24 students study Spanish and 4 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 12 and a maximum of 29. Work out the range.
- 5Fractional and Negative Indices2 marks
Write 9^-1 as a fraction.
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