Daily Practice

Higher

9th April 1988

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 19, median 28, upper quartile 38 and maximum 44. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6969... as a fraction in its simplest form.
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 = 6, y = 324. Work out y when x = 5.
5
Enlarging with Negative Scale Factors3 marks
The point (3, 0) is enlarged by scale factor -3 about the centre (-1, -3). Write down the coordinates of the image.

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