Daily Practice

Higher Plus

29th March 1978

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

1
Completing the Square3 marks
Write x^2 + 6x + 15 in the form (x + a)^2 + b.
2
Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 2 m/s to 62 m/s over 20 seconds. Work out the acceleration.
3
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 5a - 3b and vector RS = 10a - 6b. What does this show about PQ and RS?
4
Probability Equation Questions3 marks
The probability of winning a game is 3/10. A player expects 27 wins. How many games did they play?
5
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 1.2, one 25 units wide with density 1.4. How many values in total?

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