Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

6th June 2003

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

1
Enlarging with Negative Scale Factors3 marks
The point (6, 3) is enlarged by scale factor -2 about the centre (-3, -1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 16 in B only, 8 in both and 2 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
4
Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 9. Work out the gradient of any line perpendicular to it.

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