Higher Plus
27th October 1967
- 1Histograms2 marks
On a histogram, a 5-wide bar and a 10-wide bar have the same frequency density of 2. How many more values are in the wider class?
- 2Surds3 marks
Rationalise the denominator of 54/sqrt(6), giving your answer in its simplest form.
- 3Factorising Harder Quadratics3 marks
Solve 8x^2 - 22x + 15 = 0.
- 4Velocity Time Graphs3 marks
A cyclist speeds up steadily from 2 m/s to 15 m/s over 10 seconds. Use the area under the velocity-time graph to find the distance travelled.
- 5Proof of the Circle Theorems2 marks
In a circle theorem proof, a step uses the fact that the alternate segment theorem is being proved. State the reason being quoted.
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