Daily Practice
Foundation Plus
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6th September 1974
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular decagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 12 in B only, 4 in both and 1 in neither. Work out the probability a random one is in A or B.
- 3Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 9x + 19. Use it to estimate y when x = 2.
- 4Reverse Percentages3 marks
After an increase of 20%, a price is £120. Work out the price before the change.
- 5Drawing Quadratic Graphs3 marks
Where does the curve y = x^2 + 3x - 18 cross the x-axis?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1974, including the monthly compilation PDF.