Daily Practice

Higher Plus

29th December 1976

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 x^3. When x = 2, y = 40. Work out y when x = 3.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = c and vector OB = q. N is the point dividing AB in the ratio 3 : 1. Write vector ON in terms of c and q.
3
Probability Equation Questions3 marks
The probability of winning a game is 7/8. A player expects 49 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 50 < x <= 55 has a frequency density of 1.2. How many values are in that class?
5
Bounds3 marks
A rectangle is 22 cm by 9 cm, each correct to the nearest cm. Work out the upper bound of its area.

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