Daily Practice

Higher

11th November 1972

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 9, median 11, upper quartile 19 and maximum 26. Work out the interquartile range.
2
Bounds2 marks
A mass is 170 kg, correct to the nearest 10. Write down the lower bound.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 5x + 4.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 80. Work out y when x = 6.
5
The Sine Rule3 marks
In triangle ABC, angle A is 67°, angle B is 83° and side a is 17 cm. Use the sine rule to work out side b, to 1 decimal place.

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