Daily Practice
Higher
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18th March 1990
- 1Box Plots2 marks
A box plot has a minimum of 8 and a maximum of 61. Work out the range.
- 2Bounds2 marks
A mass is 44 kg, correct to the nearest whole number. Write down the lower bound.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 - 6x + 5.
- 4Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 18. Work out y when x = 3.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 73°, angle B is 55° and side a is 10 cm. Use the sine rule to work out side b, to 1 decimal place.
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