Daily Practice

Higher Plus

25th October 1958

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 1/4. A player expects 8 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 40 < x <= 50 has a frequency density of 1.2. How many values are in that class?
3
Bounds3 marks
A car covers 350 m (to the nearest 10 m) in 9 s (to the nearest second). Work out the lower bound of its speed, to 2 decimal places.
4
Quadratic Inequalities3 marks
Solve x^2 + 12x + 32 > 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 192. Work out y when x = 2.

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