Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
21st November 2015
- 1Bounds3 marks
A car covers 790 m (to the nearest 10 m) in 3 s (to the nearest second). Work out the lower bound of its speed, to 2 decimal places.
- 2Transforming Graphs y=f(x)3 marks
The point (-6, -2) lies on y = f(x). Write down its image on y = f(x - 1).
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 25, y = 35. Work out y when x = 16.
- 4The Cosine Rule3 marks
A triangle has sides 21 cm, 11 cm and 14 cm. Work out the angle opposite the 21 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 6 red and n blue counters. The probability of taking a red is 6/11. Work out n.
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