Daily Practice · Higher

Daily Practice - Higher

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

8th March 2011

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Enlarging with Negative Scale Factors3 marks
The point (-4, 0) is enlarged by scale factor -3 about the centre (1, -2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 14 in B only, 11 in both and 8 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
40 fish are marked and released. Later 16 are caught, of which 4 are marked. Estimate the population.
4
Fractional and Negative Indices3 marks
Work out 49^(3/2).
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 9. Work out the gradient of any line perpendicular to it.

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