Daily Practice · Higher Plus

Daily Practice - Higher Plus

6th October 1992

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 = 3, y = 108. Work out y when x = 4.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = q and vector OB = c. N is the midpoint. Write vector ON in terms of q and c.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 12 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 50 < x <= 60 has a frequency density of 2.4. How many values are in that class?
5
Surds3 marks
Expand and simplify (3 + sqrt(5))(3 - sqrt(5)).

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