Daily Practice · Higher

Daily Practice - Higher

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

22nd April 2016

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

1
Enlarging with Negative Scale Factors3 marks
The point (-5, -6) is enlarged by scale factor -1 about the centre (-1, 4). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 4 are in A only, 16 in B only, 4 in both and 3 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
4
Fractional and Negative Indices2 marks
Write 8^-3 as a fraction.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 1. Work out the gradient of any line perpendicular to it.

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