Daily Practice · Higher

Daily Practice - Higher

6th September 1996

5 questions · 13 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
Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 1. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 72. Work out y when x = 15.
5
Enlarging with Negative Scale Factors3 marks
The point (-4, -6) is enlarged by scale factor -1 about the centre (-3, 4). Write down the coordinates of the image.

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