Daily Practice · Higher

Daily Practice - Higher

22nd May 1992

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Enlarging with Negative Scale Factors3 marks
The point (0, 2) 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, 9 are in A only, 18 in B only, 3 in both and 5 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the fish population of a pond. State one assumption the method relies on.
4
Fractional and Negative Indices3 marks
Work out 25^(3/2).
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 8. Work out the gradient of any line perpendicular to it.

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