Daily Practice

Higher

11th August 1988

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 17 cm and one shorter side of 8 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 12 are in A only, 12 in B only, 12 in both and 8 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 20 units wide and contains 60 values. Work out the frequency density.
4
Surds2 marks
Write sqrt(20) in the form a sqrt(b), where b is as small as possible.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x + 4)(x - 3).

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