Foundation Plus
7th September 1970
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - 5x + 6.
- 2Repeated Percentage Change3 marks
A town's population is 31500 and grows by 6% each year. Work out the population after 5 years, to the nearest whole number.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 22 cm and an angle of 41°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 5 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Scatter Graphs2 marks
A scatter graph plots the length of a queue and the number of tills open. What type of correlation would you expect?
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