Daily Practice

Higher

16th May 1981

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

1
Box Plots2 marks
A box plot has minimum 6, lower quartile 10, median 13, upper quartile 21 and maximum 27. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 9^-2 as a fraction.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 100.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 2.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 126°. Work out angle ABC, where B is on the major arc.

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