Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
15th September 2022
- 1Surds3 marks
Simplify sqrt(27) + sqrt(48), giving your answer in the form a sqrt(b).
- 2Completing the Square3 marks
Work out the coordinates of the turning point of y = x^2 - 8x + 15.
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 135. Work out y when x = 4.
- 4The Cosine Rule3 marks
A triangle has sides 17 cm, 6 cm and 15 cm. Work out the angle opposite the 17 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 8 red and n blue counters. The probability of taking a red is 8/11. Work out n.
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