Daily Practice - Foundation Plus
27th February 1994
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -24/x, work out y when x = -2, and write down the equation of its vertical asymptote.
- 2Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of corresponding angles is 81°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 4 red and 4 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 2, lower quartile 7, median 13, upper quartile 15 and maximum 23. Work out the interquartile range.
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