Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

31st July 2010

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 9, lower quartile 11, median 14, upper quartile 24 and maximum 31. Work out the interquartile range.
2
Fractional and Negative Indices3 marks
Work out 16^(3/2).
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 14x + 48.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 288. Work out y when x = 3.
5
The Sine Rule3 marks
In triangle ABC, angle A is 60°, angle B is 72° and side a is 5 cm. Use the sine rule to work out side b, to 1 decimal place.

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