Daily Practice · Higher Plus

Daily Practice - Higher Plus

19th April 1994

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

1
Probability Equation Questions3 marks
The probability of winning a game is 3/4. A player expects 18 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 30 < x <= 40 has a frequency density of 3.5. How many values are in that class?
3
Surds3 marks
Expand and simplify (9 + sqrt(3))(9 - sqrt(3)).
4
Completing the Square3 marks
Write x^2 - 4x + 4 in the form (x + a)^2 + b.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 320. Work out y when x = 5.

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