Daily Practice

Higher

2nd January 1970

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 newt population of a stream. State one assumption the method relies on.
2
Standard Form2 marks
Work out (9 x 10^7) x (9 x 10^-2). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 7. 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 = 54. Work out y when x = 3.
5
Enlarging with Negative Scale Factors3 marks
The point (0, 5) is enlarged by scale factor -1 about the centre (-2, -2). Write down the coordinates of the image.

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