Daily Practice · Higher Plus

Daily Practice - Higher Plus

9th November 1993

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

1
Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 0.4, one 20 units wide with density 3.5. How many values in total?
2
Surds3 marks
Expand and simplify (8 + sqrt(6))(8 - sqrt(6)).
3
The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 9, 16, 29, 48, ...
4
Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 1 m/s to 41 m/s over 20 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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