Daily Practice · Higher

Daily Practice - Higher

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

23rd December 2006

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

1
Enlarging with Negative Scale Factors3 marks
The point (-5, 6) is enlarged by scale factor -3 about the centre (4, -4). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 5 in B only, 3 in both and 5 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 14, lower quartile 22, median 29, upper quartile 35 and maximum 44. Work out the interquartile range.
4
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 7. Work out the gradient of any line perpendicular to it.

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