Daily Practice
Higher
- 1Box Plots2 marks
A box plot has minimum 3, lower quartile 10, median 20, upper quartile 25 and maximum 31. Work out the interquartile range.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3232... as a fraction in its simplest form.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 + 3x + 2.
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 288. Work out y when x = 4.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 53°, angle B is 95° and side a is 17 cm. Use the sine rule to work out side b, to 1 decimal place.
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