Foundation Plus
8th October 1964
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 5.
- 2Speed and Density2 marks
A block has volume 115 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 18 cm and an angle of 59°. Work out the side opposite that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 6 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Averages from Frequency Tables3 marks
In a survey 4 households own 1 car, 4 own 2 cars and 4 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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