Higher Plus
20th July 1962
- 1Surds3 marks
Rationalise the denominator of 42/sqrt(6), giving your answer in its simplest form.
- 2Transforming Graphs y=f(x)3 marks
The point (6, 0) lies on y = f(x). Write down its image on y = f(x) + 2.
- 3Velocity Time Graphs2 marks
A train slows steadily from 25 m/s to rest in 5 seconds. Work out its deceleration.
- 4Finding the Area of Any Triangle3 marks
A triangle has sides of 7 cm and 14 cm and an area of 24.50 cm^2. Work out the acute angle between those two sides, to the nearest degree.
- 5Probability Equation Questions3 marks
A bag holds 7 counters, r of them red. Two are taken without replacement and P(both red) = 10/21. Work out r.
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