Daily Practice

Higher Plus

26th August 1979

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Bounds3 marks
x = 156 and y = 102, each correct to the nearest whole number. Work out the upper bound of x - y.
2
The Nth Term of a Quadratic Sequence2 marks
A quadratic sequence starts 14, 25, 40, 59. Work out the second difference, and the coefficient of n^2.
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 3, y = 16. Work out y when x = 4.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = q and vector OB = b. P is the midpoint. Write vector OP in terms of q and b.
5
Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 60 wins. How many games did they play?

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