Daily Practice
Foundation Plus
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17th January 1979
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 8x^2 - 3.
- 2Percentages2 marks
Oliwia scored 2 out of 20 in a test. What percentage is this?
- 3Transformations2 marks
The point (-3, -2) is rotated 90° clockwise about the origin. Write down the coordinates of the image.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 500 times. How many heads would you expect?
- 5Averages from Frequency Tables3 marks
In a survey 6 households own 1 car, 8 own 2 cars and 7 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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