Daily Practice

Higher

7th June 1986

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

1
Box Plots2 marks
A box plot has minimum 1, lower quartile 3, median 7, upper quartile 14 and maximum 23. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 9^-1 as a fraction.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 4. 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 = 3, y = 45. Work out y when x = 5.
5
Enlarging with Negative Scale Factors3 marks
The point (5, -2) is enlarged by scale factor -3 about the centre (4, 1). Write down the coordinates of the image.

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