Daily Practice · Higher

Daily Practice - Higher

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

15th July 2000

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

1
Enlarging with Negative Scale Factors3 marks
The point (3, -5) is enlarged by scale factor -2 about the centre (-3, 2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 9 in B only, 6 in both and 2 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 4, lower quartile 11, median 21, upper quartile 24 and maximum 31. Work out the interquartile range.
4
Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 7. Work out the gradient of any line perpendicular to it.

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