Daily Practice

Higher Plus

7th May 1963

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 4a - b and vector RS = 20a - 5b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 8 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 0.4, one 25 units wide with density 0.8. How many values in total?
4
Surds3 marks
Expand and simplify (7 + sqrt(5))(7 - sqrt(5)).
5
Completing the Square3 marks
Write x^2 + 12x - 9 in the form (x + a)^2 + b.

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