Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
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28th June 1998
- 1Box Plots2 marks
A box plot has a minimum of 16 and a maximum of 40. Work out the range.
- 2Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
- 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 = 10. Work out y when x = 2.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 37°, angle B is 82° and side a is 18 cm. Use the sine rule to work out side b, to 1 decimal place.
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