Daily Practice · Higher

Daily Practice - Higher

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

28th December 2002

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 12, upper quartile 20 and maximum 28. Work out the interquartile range.
2
Fractional and Negative Indices3 marks
Work out 216^(2/3).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 9. 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 = 144. Work out y when x = 4.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, 5) is enlarged by scale factor -1 about the centre (3, -3). Write down the coordinates of the image.

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