Daily Practice

Higher

4th July 1980

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x + 2)(x + 3).
2
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 21. Work out y when x = 7.
3
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 9 cm. Work out the other shorter side.
4
Venn Diagrams3 marks
In a Venn diagram, 8 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
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.

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