Daily Practice · Higher Plus

Daily Practice - Higher Plus

3rd June 1993

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 = 16. Work out y when x = 5.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = b. P is the point dividing AB in the ratio 3 : 1. Write vector OP in terms of a and b.
3
Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 33 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 50 < x <= 55 has a frequency density of 0.4. How many values are in that class?
5
Surds3 marks
Simplify sqrt(20) + sqrt(45), giving your answer in the form a sqrt(b).

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