Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 1Surds3 marks
Simplify sqrt(27) + sqrt(75), giving your answer in the form a sqrt(b).
- 2The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 4, 10, 18, 28, ...
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 4, y = 12. Work out y when x = 81.
- 4The Cosine Rule3 marks
A triangle has sides 8 cm, 9 cm and 8 cm. Work out the angle opposite the 8 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 2 red and n blue counters. The probability of taking a red is 1/3. Work out n.
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