Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

24th February 2001

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

1
Box Plots2 marks
A box plot has minimum 9, lower quartile 15, median 21, upper quartile 31 and maximum 35. Work out the interquartile range.
2
Standard Form3 marks
Work out (56 x 10^11) / (8 x 10^3). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 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 = 5, y = 175. Work out y when x = 4.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, 0) is enlarged by scale factor -1 about the centre (1, -4). Write down the coordinates of the image.

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