Daily Practice · Higher

Daily Practice - Higher

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

26th September 2009

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

1
Enlarging with Negative Scale Factors3 marks
The point (3, 3) is enlarged by scale factor -1 about the centre (-4, 2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 7 in B only, 2 in both and 3 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 9, lower quartile 15, median 22, upper quartile 24 and maximum 26. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 27^(2/3).
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 2. Work out the gradient of any line perpendicular to it.

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