Foundation Plus
20th March 1991
- 1Standard Form3 marks
Work out (15 x 10^12) / (3 x 10^2). Give your answer in standard form.
- 2Drawing Quadratic Graphs3 marks
Where does the curve y = x^2 + 5x - 14 cross the x-axis?
- 3Ratio3 marks
Chloe and Leo share some money in the ratio 5 : 7. Leo gets £28 more than Chloe. How much was shared?
- 4Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 100°. Work out angle ABC, where B is on the major arc.
- 5Venn Diagrams3 marks
In a Venn diagram, 19 are in A only, 9 in B only, 8 in both and 12 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 March 1991, including the monthly compilation PDF.