Daily Practice

Higher

30th July 1988

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

1
Enlarging with Negative Scale Factors3 marks
The point (-4, -4) is enlarged by scale factor -1 about the centre (4, 0). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 13 in B only, 8 in both and 8 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 7, lower quartile 16, median 19, upper quartile 29 and maximum 35. Work out the interquartile range.
4
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.111... as a fraction in its simplest form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 7. Work out the gradient of any line perpendicular to it.

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