Daily Practice · Higher

Daily Practice - Higher

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

19th April 2003

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

1
Enlarging with Negative Scale Factors3 marks
The point (-4, 3) is enlarged by scale factor -1 about the centre (-2, 1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 4 in B only, 8 in both and 6 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 1, lower quartile 9, median 16, upper quartile 25 and maximum 27. Work out the interquartile range.
4
Fractional and Negative Indices2 marks
Write 4^-1 as a fraction.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 8. Work out the gradient of any line perpendicular to it.

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