Daily Practice · Higher Plus

Daily Practice - Higher Plus

Grades 8-9 - exam-stretch algebra, geometry and reasoning.

25th May 2010

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 39 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 40 < x <= 60 has a frequency density of 3.5. How many values are in that class?
3
Surds3 marks
Expand and simplify (2 + sqrt(6))(2 - sqrt(6)).
4
Transforming Graphs y=f(x)3 marks
The point (0, 5) lies on y = f(x). Write down its image on y = f(x + 3).
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 320. Work out y when x = 3.

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