Higher Plus
29th April 1977
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 15 cm by 3 cm by 3 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
- 2Probability Equation Questions3 marks
A bag holds 4 red and n blue counters. The probability of taking a red is 2/3. Work out n.
- 3Histograms2 marks
On a histogram, a 10-wide bar and a 40-wide bar have the same frequency density of 2. How many more values are in the wider class?
- 4Surds3 marks
Rationalise the denominator of 77/sqrt(7), giving your answer in its simplest form.
- 5Completing the Square3 marks
Work out the coordinates of the turning point of y = x^2 + 10x - 7.
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 April 1977, including the monthly compilation PDF.