Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
23rd January 2020
- 1Surds3 marks
Simplify sqrt(20) + sqrt(180), 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 -1, 4, 11, 20, ...
- 3Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 4, y = 108. Work out y when x = 6.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = b. N is the midpoint. Write vector ON in terms of m and b.
- 5Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 26 wins. How many games did they play?
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