Daily Practice · Higher Plus

Daily Practice - Higher Plus

Grades 8-9 - exam-stretch algebra, geometry and reasoning.

5th January 2010

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Velocity Time Graphs2 marks
A train slows steadily from 38 m/s to rest in 4 seconds. Work out its deceleration.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = a. N is the point dividing AB in the ratio 1 : 3. Write vector ON in terms of m and a.
3
Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 60 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 40 < x <= 60 has a frequency density of 1.2. How many values are in that class?
5
Surds3 marks
Expand and simplify (7 + sqrt(5))(7 - sqrt(5)).

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