Daily Practice

Higher

9th January 1986

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Bounds2 marks
A mass is 25.3 kg, correct to 1 decimal place. Write down the lower bound.
2
Solving Quadratics3 marks
Solve x^2 + 17x + 72 = 0.
3
Repeated Percentage Change3 marks
A town's population is 9000 and grows by 4% each year. Work out the population after 3 years, to the nearest whole number.
4
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -2. Work out the gradient of a line perpendicular to it.
5
Conditional Probability3 marks
24 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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