Daily Practice

Higher

19th August 1972

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

1
Box Plots2 marks
A box plot has minimum 15, lower quartile 18, median 22, upper quartile 29 and maximum 32. Work out the interquartile range.
2
Fractional and Negative Indices3 marks
Work out 125^(2/3).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 8. 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 = 16. Work out y when x = 4.
5
Enlarging with Negative Scale Factors3 marks
The point (3, -5) is enlarged by scale factor -3 about the centre (-3, 0). Write down the coordinates of the image.

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