Foundation Plus
26th June 1985
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 25/x, work out y when x = 5, and write down the equation of its vertical asymptote.
- 2Percentages2 marks
Rhys scored 13 out of 25 in a test. What percentage is this?
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 90°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 4 red and 2 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has minimum 7, lower quartile 13, median 21, upper quartile 30 and maximum 33. Work out the interquartile range.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1985, including the monthly compilation PDF.