Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
19th September 2019
- 1Surds3 marks
Simplify sqrt(75) + sqrt(3), giving your answer in the form a sqrt(b).
- 2Factorising Harder Quadratics3 marks
Solve 6x^2 - 7x - 3 = 0.
- 3Velocity Time Graphs2 marks
A train slows steadily from 21 m/s to rest in 10 seconds. Work out its deceleration.
- 4Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 10 cm and an area of 43.30 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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