Daily Practice · Higher

Daily Practice - Higher

14th December 1991

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 7, median 17, upper quartile 19 and maximum 22. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... as a fraction in its simplest form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 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 = 5, y = 175. Work out y when x = 9.
5
Enlarging with Negative Scale Factors3 marks
The point (-4, 4) is enlarged by scale factor -3 about the centre (-4, 4). Write down the coordinates of the image.

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