Daily Practice - Higher Plus
2nd February 1994
- 1Bounds3 marks
A rectangle is 18 cm by 20 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 2The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 9, 18, 35, 60, ...
- 3Velocity Time Graphs2 marks
A train slows steadily from 15 m/s to rest in 8 seconds. Work out its deceleration.
- 4Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 8 cm and an area of 20.00 cm^2. Work out the acute angle between those two sides, to the nearest degree.
- 5Probability Equation Questions3 marks
A bag holds 6 counters, r of them red. Two are taken without replacement and P(both red) = 1/15. Work out r.
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