Daily Practice

Higher Plus

19th February 1974

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Velocity Time Graphs2 marks
A train slows steadily from 38 m/s to rest in 5 seconds. Work out its deceleration.
2
The Cosine Rule3 marks
A triangle has sides 10 cm, 11 cm and 8 cm. Work out the angle opposite the 10 cm side, to 1 decimal place.
3
Probability Equation Questions3 marks
A bag holds 7 red and n blue counters. The probability of taking a red is 7/9. Work out n.
4
Histograms3 marks
On a histogram the bar for 30 < x <= 50 has a frequency density of 1.5. How many values are in that class?
5
Surds3 marks
Expand and simplify (6 + sqrt(11))(6 - sqrt(11)).

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