Daily Practice

Higher Plus

14th April 1972

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 15 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 50 < x <= 70 has a frequency density of 1.5. How many values are in that class?
3
Surds3 marks
Rationalise the denominator of 9/sqrt(3), giving your answer in its simplest form.
4
Proof2 marks
In an algebraic proof, how would you write the square of an odd number in terms of an integer n?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 2, y = 16. Work out y when x = 4.

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