Daily Practice · Higher Plus

Daily Practice - Higher Plus

7th August 1993

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

1
Completing the Square3 marks
Write x^2 + 16x - 10 in the form (x + a)^2 + b.
2
Velocity Time Graphs3 marks
A cyclist speeds up steadily from 9 m/s to 25 m/s over 12 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 = 3a - 3b and vector RS = 12a - 12b. What does this show about PQ and RS?
4
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 7 wins. How many games did they play?
5
Histograms2 marks
On a histogram, a 5-wide bar and a 10-wide bar have the same frequency density of 2.5. How many more values are in the wider class?

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