Daily Practice

Foundation Plus

8th April 1991

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 50/x, work out y when x = -10, and write down the equation of its vertical asymptote.
2
Repeated Percentage Change3 marks
A town's population is 28000 and grows by 8% each year. Work out the population after 4 years, to the nearest whole number.
3
Transformations2 marks
The point (4, 6) is rotated 90° clockwise about the origin. Write down the coordinates of the image.
4
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 100 times. How many heads would you expect?
5
Box Plots2 marks
A box plot has minimum 7, lower quartile 12, median 14, upper quartile 21 and maximum 25. Work out the interquartile range.

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