Daily Practice

Higher

28th September 1985

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 15, median 17, upper quartile 20 and maximum 23. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6464... as a fraction in its simplest form.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 3x - 28.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 54. Work out y when x = 6.
5
The Sine Rule3 marks
In triangle ABC, angle A is 69°, angle B is 59° and side a is 16 cm. Use the sine rule to work out side b, to 1 decimal place.

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