Daily Practice

Higher Plus

17th January 1984

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 = 2a - 6b and vector RS = 6a - 18b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 12 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 1.2, one 20 units wide with density 0.6. How many values in total?
4
Surds3 marks
Expand and simplify (9 + sqrt(2))(9 - sqrt(2)).
5
Algebraic Fractions3 marks
Simplify (x^2 + 6x - 7)/(x - 1).

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