Daily Practice
Foundation Plus
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20th August 1986
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 2x^2 - 3.
- 2Percentages2 marks
Amelia scored 35 out of 80 in a test. What percentage is this?
- 3Transformations2 marks
The point (-5, 2) is rotated 90° anticlockwise about the origin. Write down the coordinates of the image.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 50 times. How many heads would you expect?
- 5Averages from Frequency Tables3 marks
In a survey 3 households own 1 car, 2 own 2 cars and 9 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1986, including the monthly compilation PDF.