Daily Practice
Higher Plus
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21st October 1958
- 1Surds3 marks
Expand and simplify (2 + sqrt(7))(2 - sqrt(7)).
- 2Rearranging Harder Formulae3 marks
Make x the subject of 8x + 3 = y(x + 3).
- 3Velocity Time Graphs2 marks
A train slows steadily from 31 m/s to rest in 5 seconds. Work out its deceleration.
- 4The Cosine Rule3 marks
A triangle has sides 14 cm, 8 cm and 9 cm. Work out the angle opposite the 14 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 8 red and n blue counters. The probability of taking a red is 4/5. Work out n.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1958, including the monthly compilation PDF.