Daily Practice
Higher
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3rd February 1980
- 1Box Plots2 marks
A box plot has a minimum of 2 and a maximum of 25. Work out the range.
- 2Bounds2 marks
A mass is 290 kg, correct to the nearest 10. Write down the upper bound.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 + 6x + 8.
- 4Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 20. Work out y when x = 10.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 36°, angle B is 53° and side a is 9 cm. Use the sine rule to work out side b, to 1 decimal place.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1980, including the monthly compilation PDF.