Daily Practice

Higher

14th December 1962

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

1
Enlarging with Negative Scale Factors3 marks
The point (5, 1) is enlarged by scale factor -2 about the centre (-4, -4). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 12 in B only, 7 in both and 4 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
Surds2 marks
Write sqrt(75) in the form a sqrt(b), where b is as small as possible.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 3. Work out the gradient of any line perpendicular to it.

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