Daily Practice

Higher

3rd June 1989

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

1
Box Plots2 marks
A box plot has minimum 15, lower quartile 17, median 26, upper quartile 30 and maximum 37. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - x - 30.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 72. Work out y when x = 9.
5
The Sine Rule3 marks
In triangle ABC, angle A is 54°, angle B is 68° and side a is 13 cm. Use the sine rule to work out side b, to 1 decimal place.

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