Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
26th January 2008
- 1Bounds2 marks
A mass is 360 kg, correct to the nearest 10. Write down the upper bound.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x + 12, work out y when x = 4.
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 28. Work out y when x = 5.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 15 cm and angle 300°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
24 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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