Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
29th August 2024
- 1Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
- 2Solving Quadratics3 marks
Solve x^2 + 11x + 30 = 0.
- 3Repeated Percentage Change3 marks
A town's population is 38000 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.
- 4Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -4. Work out the gradient of a line perpendicular to it.
- 5Conditional Probability3 marks
13 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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