Foundation Plus
23rd March 1954
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -20/x, work out y when x = -4, and write down the equation of its vertical asymptote.
- 2Compound Interest and Depreciation3 marks
£3600 is invested at 5% compound interest per year. Work out the value after 2 years, to the nearest penny.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 8 cm and an angle of 32°. Work out the side opposite that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 5 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has minimum 7, lower quartile 17, median 21, upper quartile 26 and maximum 32. Work out the interquartile range.
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