Daily Practice

Higher Plus

25th August 1960

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 25, y = 15. Work out y when x = 64.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = m. M is the point dividing AB in the ratio 1 : 2. Write vector OM in terms of b and m.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 52 wins. How many games did they play?
4
Histograms3 marks
A histogram has four 20-wide classes from 0, with frequency densities 2, 3, 0.5, 1. Which class contains the median?
5
Surds3 marks
Simplify sqrt(32) + sqrt(2), giving your answer in the form a sqrt(b).

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