Foundation Plus
23rd November 1985
- 1Equation of a Line3 marks
A line has gradient -4 and passes through (3, -18). Work out its equation.
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 48. Work out y when x = 3.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 9 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 500 times. How many heads would you expect?
- 5Two Way Tables3 marks
Of 44 students, 33 study French, 11 study German and 5 study both. How many study neither?
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