Daily Practice
Higher
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1st January 1989
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 6. Work out y when x = 6.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -5. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
28 students study Spanish and 8 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 19 and a maximum of 76. Work out the range.
- 5Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1989, including the monthly compilation PDF.