Daily Practice

Higher

13th October 1973

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

1
Box Plots2 marks
A box plot has minimum 4, lower quartile 12, median 20, upper quartile 25 and maximum 33. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 5^-2 as a fraction.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 81.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out y when x = 4.
5
The Sine Rule3 marks
In triangle ABC, angle A is 43°, angle B is 57° and side a is 12 cm. Use the sine rule to work out side b, to 1 decimal place.

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