Daily Practice

Higher

19th November 1988

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

1
Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 1. Work out the gradient of any line perpendicular to it.
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 216. Work out y when x = 8.
3
Enlarging with Negative Scale Factors3 marks
The point (-3, 6) is enlarged by scale factor -3 about the centre (-1, 3). Write down the coordinates of the image.
4
Venn Diagrams3 marks
In a Venn diagram, 12 are in A only, 9 in B only, 7 in both and 6 in neither. Work out the probability a random one is in both.
5
Box Plots2 marks
A box plot has minimum 11, lower quartile 18, median 22, upper quartile 32 and maximum 41. Work out the interquartile range.

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