Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Box Plots2 marks
A box plot has minimum 10, lower quartile 20, median 25, upper quartile 27 and maximum 33. Work out the interquartile range.
- 2Fractional and Negative Indices2 marks
Write 9^-3 as a fraction.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 + 7x + 6.
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 18. Work out y when x = 4.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 77°, angle B is 46° and side a is 19 cm. Use the sine rule to work out side b, to 1 decimal place.
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