Foundation Plus
6th April 1965
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 + 8x - 9.
- 2Compound Interest and Depreciation3 marks
£4900 is invested at 5% compound interest per year. Work out the value after 3 years, to the nearest penny.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 13 cm and an angle of 46°. Work out the side opposite that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 4 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Scatter Graphs2 marks
A scatter graph plots the height of a tree and its age. What type of correlation would you expect?
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