Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
6th September 2018
- 1Surds3 marks
Simplify sqrt(8) + sqrt(8), giving your answer in the form a sqrt(b).
- 2Transforming Graphs y=f(x)3 marks
The point (2, 0) lies on y = f(x). Write down its image on y = f(x) - 3.
- 3Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 5, y = 16. Work out y when x = 2.
- 4The Cosine Rule3 marks
A triangle has sides 15 cm, 9 cm and 14 cm. Work out the angle opposite the 15 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 4 red and n blue counters. The probability of taking a red is 1/3. Work out n.
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