Daily Practice

Higher Plus

25th August 1978

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

1
Surds3 marks
Rationalise the denominator of 72/sqrt(6), giving your answer in its simplest form.
2
Algebraic Fractions3 marks
Write 3/(x - 2) + 4/(x + 1) as a single fraction.
3
Velocity Time Graphs2 marks
A train slows steadily from 17 m/s to rest in 4 seconds. Work out its deceleration.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 6 cm and an area of 21.21 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability 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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