Daily Practice · Higher

Daily Practice - Higher

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

14th August 1999

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

1
Enlarging with Negative Scale Factors3 marks
The point (-2, -3) is enlarged by scale factor -2 about the centre (4, 1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 16 in B only, 10 in both and 2 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 1, lower quartile 6, median 9, upper quartile 13 and maximum 15. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 81^(3/2).
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 4. Work out the gradient of any line perpendicular to it.

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