Foundation Plus
3rd August 1971
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - 15x + 56.
- 2Compound Interest and Depreciation3 marks
£4500 is invested at 4% compound interest per year. Work out the value after 3 years, to the nearest penny.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of corresponding angles is 64°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 5 red and 3 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Scatter Graphs2 marks
A scatter graph plots the temperature outside and the number of ice creams sold. What type of correlation would you expect?
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