Daily Practice

Higher

14th June 1980

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 11, lower quartile 19, median 23, upper quartile 26 and maximum 32. Work out the interquartile range.
2
Bounds2 marks
A mass is 20.6 kg, correct to 1 decimal place. Write down the upper bound.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 9.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 7.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 140°. Work out angle ABC, where B is on the major arc.

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