Foundation Plus
17th January 1955
- 1Expanding and Factorising2 marks
Expand and simplify 6(3x + 6).
- 2Repeated Percentage Change3 marks
A town's population is 5500 and grows by 5% each year. Work out the population after 6 years, to the nearest whole number.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 17 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 50 times. How many heads would you expect?
- 5Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 6x + 19. Use it to estimate y when x = 8.
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