Daily Practice

Higher Plus

23rd August 1988

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 = 5a - 2b and vector RS = 10a - 4b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 7/10. A player expects 35 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 2, one 5 units wide with density 1.4. How many values in total?
4
Surds3 marks
Expand and simplify (9 + sqrt(3))(9 - sqrt(3)).
5
The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 5, 21, 45, 77, ...

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