Daily Practice

Higher Plus

4th October 1982

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

1
Proof2 marks
In an algebraic proof, how would you write the next odd number after 2n + 1 in terms of an integer n?
2
Velocity Time Graphs3 marks
A cyclist speeds up steadily from 10 m/s to 18 m/s over 10 seconds. Use the area under the velocity-time graph to find the distance travelled.
3
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 5a + b and vector RS = 20a + 4b. What does this show about PQ and RS?
4
Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 5 wins. How many games did they play?
5
Histograms2 marks
On a histogram, a 4-wide bar and a 8-wide bar have the same frequency density of 2. How many more values are in the wider class?

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