Daily Practice

Higher

29th November 1980

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

1
Box Plots2 marks
A box plot has minimum 1, lower quartile 10, median 13, upper quartile 18 and maximum 28. Work out the interquartile range.
2
Standard Form3 marks
Work out (21 x 10^6) / (7 x 10^3). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 7. 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 = 3, y = 54. Work out y when x = 2.
5
Enlarging with Negative Scale Factors3 marks
The point (4, 4) is enlarged by scale factor -3 about the centre (-1, -4). Write down the coordinates of the image.

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