Higher Plus
5th September 1954
- 1Histograms2 marks
On a histogram, a 10-wide bar and a 30-wide bar have the same frequency density of 1.5. How many more values are in the wider class?
- 2Bounds3 marks
x = 193 and y = 172, each correct to the nearest whole number. Work out the upper bound of x - y.
- 3Algebraic Fractions3 marks
Write 5/(x - 2) + 3/(x + 2) as a single fraction.
- 4Velocity Time Graphs3 marks
A cyclist speeds up steadily from 7 m/s to 22 m/s over 6 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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