Foundation Plus
17th July 1982
- 1Standard Form3 marks
Work out (12 x 10^6) / (6 x 10^3). Give your answer in standard form.
- 2Drawing Quadratic Graphs3 marks
Where does the curve y = x^2 - x - 30 cross the x-axis?
- 3Compound Interest and Depreciation3 marks
A van is worth £18000. It depreciates by 12% each year. Work out its value after 3 years, to the nearest penny.
- 4Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 124°. Work out angle ABC, where B is on the major arc.
- 5Venn Diagrams3 marks
In a Venn diagram, 17 are in A only, 16 in B only, 6 in both and 5 in neither. Work out the probability a random one is in A or B.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1982, including the monthly compilation PDF.