Daily Practice - Foundation Plus
30th October 1993
- 1Inequalities on Graphs3 marks
Does the point (1, -3) satisfy y > x + 3?
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 63. Work out y when x = 9.
- 3Transformations2 marks
The point (5, 1) 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 0.25. It is thrown 50 times. How many heads would you expect?
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 10 < x <= 20. The frequencies in order are 11, 16, 3, 21, 7. Write down the modal class.
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