Daily Practice

Higher

26th November 1983

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 1, lower quartile 9, median 16, upper quartile 23 and maximum 32. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 4^-2 as a fraction.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 6x - 27.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 32. Work out y when x = 2.
5
The Sine Rule3 marks
In triangle ABC, angle A is 31°, angle B is 79° and side a is 12 cm. Use the sine rule to work out side b, to 1 decimal place.

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