Daily Practice · Higher Plus

Daily Practice - Higher Plus

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

4th November 2001

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

1
Bounds3 marks
x = 158 and y = 131, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Factorising Harder Quadratics3 marks
Solve 8x^2 - 10x - 25 = 0.
3
Velocity Time Graphs2 marks
A train slows steadily from 21 m/s to rest in 8 seconds. Work out its deceleration.
4
The Cosine Rule3 marks
A triangle has sides 17 cm, 11 cm and 8 cm. Work out the angle opposite the 17 cm side, to 1 decimal place.
5
Probability Equation Questions3 marks
A bag holds 3 red and n blue counters. The probability of taking a red is 3/5. Work out n.

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