Daily Practice · Higher

Daily Practice - Higher

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

22nd August 2002

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

1
Enlarging with Negative Scale Factors3 marks
The point (-2, 6) is enlarged by scale factor -3 about the centre (1, 3). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 3 in B only, 8 in both and 3 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 5 units wide and contains 12.5 values. Work out the frequency density.
4
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 5. Work out the gradient of any line perpendicular to it.

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