Daily Practice

Foundation Plus

21st April 1985

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

1
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -55/x, work out y when x = -5, and write down the equation of its vertical asymptote.
2
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 7. Write y in terms of x.
3
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 5 cm^2. Work out the area of the larger.
4
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 500 times. How many heads would you expect?
5
Box Plots2 marks
A box plot has minimum 8, lower quartile 15, median 20, upper quartile 25 and maximum 28. Work out the interquartile range.

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