Daily Practice

Higher

4th December 1989

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 13 cm and one shorter side of 12 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 9 are in A only, 9 in B only, 5 in both and 6 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 64 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
Fractional and Negative Indices2 marks
Write 8^-3 as a fraction.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 1)(x - 5)(x + 5).

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