Daily Practice

Higher

20th July 1979

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
Bounds2 marks
A mass is 680 kg, correct to the nearest 10. Write down the upper bound.
3
Inequalities on Graphs2 marks
A region is defined by y <= -4x - 1. Should the boundary line be solid or dashed, and why?
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 36. Work out y when x = 9.
5
Spheres and Cones3 marks
A cone has base radius 9 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of pi.

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