Daily Practice

Higher

15th June 1986

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 25.
2
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 16. Work out y when x = 4.
3
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 40°. Work out angle ABC, where B is on the major arc.
4
Venn Diagrams3 marks
In a Venn diagram, 13 are in A only, 7 in B only, 10 in both and 9 in neither. Work out the probability a random one is in both.
5
Box Plots2 marks
A box plot has a minimum of 20 and a maximum of 55. Work out the range.

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