Foundation Plus
7th April 1958
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 9x^2 - 3.
- 2Repeated Percentage Change3 marks
A town's population is 19500 and grows by 8% each year. Work out the population after 6 years, to the nearest whole number.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 14 cm and an angle of 37°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 5 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Averages from Frequency Tables3 marks
In a survey 3 households own 1 car, 7 own 2 cars and 7 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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