Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
6th January 2022
- 1Surds3 marks
Simplify sqrt(50) + sqrt(18), giving your answer in the form a sqrt(b).
- 2The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 6, 13, 24, 39, ...
- 3Velocity Time Graphs2 marks
A train slows steadily from 17 m/s to rest in 4 seconds. Work out its deceleration.
- 4Finding the Area of Any Triangle3 marks
A triangle has sides of 6 cm and 7 cm and an area of 14.85 cm^2. Work out the acute angle between those two sides, to the nearest degree.
- 5Probability Equation Questions3 marks
A bag holds 7 counters, r of them red. Two are taken without replacement and P(both red) = 1/21. Work out r.
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