Daily Practice

Higher Plus

26th October 1989

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

1
Surds3 marks
Simplify sqrt(50) + sqrt(2), giving your answer in the form a sqrt(b).
2
Algebraic Fractions3 marks
Write 4/(x - 2) + 7/(x - 4) as a single fraction.
3
Velocity Time Graphs2 marks
A train slows steadily from 19 m/s to rest in 10 seconds. Work out its deceleration.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 6 cm and 15 cm and an area of 45.00 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 8 counters, r of them red. Two are taken without replacement and P(both red) = 5/14. Work out r.

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