Daily Practice · Higher

Daily Practice - Higher

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

12th March 2001

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

1
Enlarging with Negative Scale Factors3 marks
The point (-5, -1) is enlarged by scale factor -1 about the centre (4, 3). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 5 in B only, 2 in both and 3 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 220 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 3 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 + 9. Work out the gradient of any line perpendicular to it.

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