Daily Practice

Higher

8th March 1984

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

1
Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.
2
Solving Quadratics3 marks
Solve x^2 + 18x + 81 = 0.
3
Repeated Percentage Change3 marks
A town's population is 24000 and grows by 3% 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 4. Work out the gradient of a line perpendicular to it.
5
Conditional Probability3 marks
30 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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