Daily Practice

Higher Plus

3rd February 1953

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 = 36, y = 54. Work out y when x = 9.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = q and vector OB = b. M is the point dividing AB in the ratio 1 : 3. Write vector OM in terms of q and b.
3
Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 40 wins. How many games did they play?
4
Histograms3 marks
A histogram has four 10-wide classes from 0, with frequency densities 3, 0.5, 2, 1. Which class contains the median?
5
Surds3 marks
Expand and simplify (6 + sqrt(6))(6 - sqrt(6)).

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