Daily Practice
Higher
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13th March 1990
- 1Fractional and Negative Indices2 marks
Write 6^-2 as a fraction.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x - 7, work out y when x = -1.
- 3Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 8 cm and angle 60°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
19 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1990, including the monthly compilation PDF.