Daily Practice · Higher

Daily Practice - Higher

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

4th October 2012

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

1
Enlarging with Negative Scale Factors3 marks
The point (-1, -2) is enlarged by scale factor -2 about the centre (-1, -2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 17 are in A only, 10 in B only, 6 in both and 3 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 2 units wide and contains 6 values. Work out the frequency density.
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 = -3x + 5. Work out the gradient of any line perpendicular to it.

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