Daily Practice · Higher

Daily Practice - Higher

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

29th November 2003

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 6, lower quartile 12, median 16, upper quartile 19 and maximum 23. Work out the interquartile range.
2
Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 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 = 8.
5
Enlarging with Negative Scale Factors3 marks
The point (2, 5) is enlarged by scale factor -2 about the centre (2, 0). Write down the coordinates of the image.

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