Daily Practice · Higher Plus

Daily Practice - Higher Plus

26th January 1992

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Bounds3 marks
x = 34 and y = 10, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Factorising Harder Quadratics3 marks
Solve 15x^2 - 43x + 30 = 0.
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 4, y = 108. Work out y when x = 6.
4
The Cosine Rule3 marks
A triangle has sides 18 cm, 14 cm and 6 cm. Work out the angle opposite the 18 cm side, to 1 decimal place.
5
Probability Equation Questions3 marks
A bag holds 6 red and n blue counters. The probability of taking a red is 2/3. Work out n.

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