Daily Practice · Higher Plus

Daily Practice - Higher Plus

14th June 1991

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 = 4, y = 256. Work out y when x = 3.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = c. N is the point dividing AB in the ratio 2 : 1. Write vector ON in terms of b and c.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 7 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 40 < x <= 45 has a frequency density of 3.5. How many values are in that class?
5
Surds3 marks
Rationalise the denominator of 132/sqrt(11), giving your answer in its simplest form.

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