Foundation Plus
11th November 1985
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 + 2x - 35.
- 2Repeated Percentage Change3 marks
A town's population is 25000 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 16 cm and an angle of 47°. Work out the side opposite that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 3 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Scatter Graphs2 marks
A scatter graph plots the age of a car and its value. What type of correlation would you expect?
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