Higher Plus
7th September 1954
- 1Transforming Graphs y=f(x)3 marks
The point (6, 3) lies on y = f(x). Write down its image on y = -f(x).
- 2Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 36. Work out the positive value of x when y = 225.
- 33d Pythagoras and Trigonometry3 marks
A cuboid measures 3 cm by 6 cm by 11 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
- 4Probability Equation Questions3 marks
A bag holds 4 red and n blue counters. The probability of taking a red is 1/3. Work out n.
- 5Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 1.5, one 5 units wide with density 0.8. How many values in total?
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