Daily Practice · Higher

Daily Practice - Higher

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

9th February 2013

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

1
Box Plots2 marks
A box plot has minimum 5, lower quartile 10, median 15, upper quartile 23 and maximum 25. Work out the interquartile range.
2
Fractional and Negative Indices3 marks
Work out 64^(2/3).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 3. 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 = 72. Work out y when x = 5.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, 2) is enlarged by scale factor -2 about the centre (-2, -1). Write down the coordinates of the image.

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