Higher Plus
31st December 1971
- 1Transforming Graphs y=f(x)3 marks
The point (5, 3) lies on y = f(x). Write down its image on y = f(x) - 2.
- 2Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 5 m/s to 10 m/s over 10 seconds. Work out the acceleration.
- 3Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 2a + 6b and vector RS = 4a + 12b. What does this show about PQ and RS?
- 4Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 24 wins. How many games did they play?
- 5Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 2, one 5 units wide with density 1.4. How many values in total?
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