Daily Practice

Higher Plus

13th September 1988

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

1
Surds3 marks
Expand and simplify (3 + sqrt(3))(3 - sqrt(3)).
2
Algebraic Fractions3 marks
Write 3/(x + 2) + 6/(x + 1) as a single fraction.
3
Velocity Time Graphs2 marks
A train slows steadily from 30 m/s to rest in 5 seconds. Work out its deceleration.
4
The Cosine Rule3 marks
A triangle has sides 5 cm, 14 cm and 11 cm. Work out the angle opposite the 5 cm side, to 1 decimal place.
5
Probability Equation Questions3 marks
A bag holds 4 red and n blue counters. The probability of taking a red is 2/5. Work out n.

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