Daily Practice
Higher
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4th January 1981
- 1Box Plots2 marks
A box plot has a minimum of 10 and a maximum of 57. Work out the range.
- 2Fractional and Negative Indices2 marks
Write 2^-1 as a fraction.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 - 13x + 40.
- 4Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 6. Work out y when x = 3.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 48°, angle B is 89° and side a is 20 cm. Use the sine rule to work out side b, to 1 decimal place.
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