Daily Practice

Higher

28th January 1991

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

1
Enlarging with Negative Scale Factors3 marks
The point (-6, -4) is enlarged by scale factor -3 about the centre (-1, -1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 9 in B only, 11 in both and 10 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 84 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
The Product Rule for Counting3 marks
A code is 2 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 = 4x + 9. Work out the gradient of any line perpendicular to it.

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