Daily Practice

Higher

25th November 1990

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

1
Box Plots2 marks
A box plot has a minimum of 6 and a maximum of 36. Work out the range.
2
Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 2. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 72. Work out y when x = 12.
5
Enlarging with Negative Scale Factors3 marks
The point (2, -2) is enlarged by scale factor -2 about the centre (-3, 1). Write down the coordinates of the image.

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