Higher Plus
4th December 1967
- 1Completing the Square3 marks
Work out the coordinates of the turning point of y = x^2 - 16x - 6.
- 2Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 5 m/s to 29 m/s over 8 seconds. Work out the acceleration.
- 33d Pythagoras and Trigonometry3 marks
A cuboid measures 14 cm by 12 cm by 8 cm tall. Work out the angle between its longest internal diagonal and the base, to 1 decimal place.
- 4Conditional Probability3 marks
A bag holds 3 red and 5 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?
- 5Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 2, one 5 units wide with density 3.5. How many values in total?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1967, including the monthly compilation PDF.