Foundation Plus
29th September 1960
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - 10x + 21.
- 2Speed and Density2 marks
A block has volume 30 cm^3 and density 4 g/cm^3. Work out its mass.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 77°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 3 red and 8 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Scatter Graphs2 marks
A scatter graph plots rainfall in a week and the number of umbrellas sold. What type of correlation would you expect?
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