Foundation Plus
19th September 1970
- 1Equation of a Line3 marks
A line has gradient -2 and passes through (3, -13). Work out its equation.
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 63. Work out y when x = 9.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 18 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 100 times. How many heads would you expect?
- 5Two Way Tables3 marks
Of 36 students, 16 study French, 18 study German and 7 study both. How many study neither?
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