Daily Practice

Higher

28th August 1975

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

1
Histograms2 marks
A histogram class is 10 units wide and contains 20 values. Work out the frequency density.
2
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 3 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 + 7. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A town's population is 14000 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.
5
Enlarging with Negative Scale Factors3 marks
The point (0, 0) is enlarged by scale factor -1 about the centre (4, -3). Write down the coordinates of the image.

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