Daily Practice

Higher

25th December 1982

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

1
Box Plots2 marks
A box plot has minimum 14, lower quartile 24, median 27, upper quartile 34 and maximum 42. Work out the interquartile range.
2
Bounds2 marks
A mass is 340 kg, correct to the nearest 10. Write down the upper bound.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 4x - 45.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 216. Work out y when x = 7.
5
The Sine Rule3 marks
In triangle ABC, angle A is 80°, angle B is 47° and side a is 16 cm. Use the sine rule to work out side b, to 1 decimal place.

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