Daily Practice

Higher

2nd October 1982

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

1
Box Plots2 marks
A box plot has minimum 13, lower quartile 22, median 28, upper quartile 33 and maximum 35. Work out the interquartile range.
2
Fractional and Negative Indices3 marks
Work out 27^(2/3).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 5. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 20. Work out y when x = 6.
5
Enlarging with Negative Scale Factors3 marks
The point (3, 1) is enlarged by scale factor -1 about the centre (-1, 4). Write down the coordinates of the image.

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