Daily Practice

Higher

25th September 1981

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
2
Fractional and Negative Indices2 marks
Write 3^-1 as a fraction.
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x + 3)(x + 2).
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 36. Work out y when x = 6.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 20 cm. Work out the other shorter side.

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