Higher Plus
8th February 1974
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 5a + 6b and vector RS = 20a + 24b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 5/8. A player expects 65 wins. How many games did they play?
- 3Histograms2 marks
On a histogram, a 10-wide bar and a 30-wide bar have the same frequency density of 2. How many more values are in the wider class?
- 4Surds3 marks
Rationalise the denominator of 110/sqrt(11), giving your answer in its simplest form.
- 5Iteration3 marks
Use the iteration x(n+1) = cube root of (7x(n) + 1) with x(0) = 3. Work out x(1) to 3 decimal places.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Higher Plus sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1974, including the monthly compilation PDF.