Daily Practice · Higher Plus

Daily Practice - Higher Plus

Grades 8-9 - exam-stretch algebra, geometry and reasoning.

25th June 2017

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

1
Bounds3 marks
x = 88 and y = 33, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Factorising Harder Quadratics3 marks
Solve 4x^2 + 8x - 5 = 0.
3
Velocity Time Graphs2 marks
A train slows steadily from 15 m/s to rest in 10 seconds. Work out its deceleration.
4
The Cosine Rule3 marks
A triangle has sides of 18 cm and 16 cm with an angle of 70° between them. Work out the third side, to 1 decimal place.
5
Conditional Probability3 marks
A bag holds 6 red, 7 blue and 5 green counters. Two are taken without replacement. Given neither is green, what is the probability both are red?

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