Daily Practice

Higher

24th August 1962

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the fish population of a pond. State one assumption the method relies on.
2
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 6. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 27. Work out y when x = 10.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, -2) is enlarged by scale factor -1 about the centre (-1, 1). Write down the coordinates of the image.

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