Daily Practice

Higher

12th January 1991

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

1
Box Plots2 marks
A box plot has minimum 2, lower quartile 9, median 16, upper quartile 22 and maximum 28. Work out the interquartile range.
2
Standard Form3 marks
Work out (4 x 10^9) / (2 x 10^4). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 1. 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 = 6, y = 288. Work out y when x = 4.
5
Enlarging with Negative Scale Factors3 marks
The point (5, 1) is enlarged by scale factor -2 about the centre (1, 2). Write down the coordinates of the image.

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