Daily Practice

Higher Plus

3rd August 1966

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

1
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 0.4, one 5 units wide with density 3. How many values in total?
2
Bounds3 marks
A rectangle is 18 cm by 29 cm, each correct to the nearest cm. Work out the upper bound of its area.
3
Quadratic Inequalities3 marks
Solve x^2 + 3x + 2 > 0.
4
Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 2 m/s to 14.5 m/s over 5 seconds. Work out the acceleration.
5
Proof of the Circle Theorems2 marks
In a circle theorem proof, a step uses the fact that the three angles of triangle OAB are being summed. State the reason being quoted.

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