Daily Practice · Higher Plus

Daily Practice - Higher Plus

1st September 1993

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

1
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 5, y = 9. Work out y when x = 3.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = b. X is the point dividing AB in the ratio 1 : 3. Write vector OX in terms of a and b.
3
Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 30 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
Bounds3 marks
A rectangle is 10 cm by 13 cm, each correct to the nearest cm. Work out the upper bound of its area.

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