Daily Practice

Higher Plus

11th October 1970

5 questions · 13 marks · Grades 8-9 · 51 question types in this band

1
Histograms2 marks
On a histogram, a 5-wide bar and a 15-wide bar have the same frequency density of 2.5. How many more values are in the wider class?
2
Bounds3 marks
x = 138 and y = 89, each correct to the nearest whole number. Work out the upper bound of x - y.
3
Quadratic Inequalities3 marks
Solve x^2 - 8x > 0.
4
Velocity Time Graphs3 marks
A cyclist speeds up steadily from 4 m/s to 9 m/s over 4 seconds. Use the area under the velocity-time graph to find the distance travelled.
5
Proof of the Circle Theorems2 marks
In a circle theorem proof, a step uses the fact that the exterior angle of a cyclic quadrilateral is being found. State the reason being quoted.

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