Higher Plus
7th December 1964
- 1Factorising Harder Quadratics3 marks
Solve 5x^2 + 17x + 6 = 0.
- 2Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out the positive value of x when y = 64.
- 3Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 5a + 6b and vector RS = 10a + 12b. What does this show about PQ and RS?
- 4Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 12 wins. How many games did they play?
- 5Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 1.2, 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 1964, including the monthly compilation PDF.