Daily Practice

Higher Plus

12th June 1979

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 - 6b and vector RS = 12a - 18b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 8 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 10 units wide with density 1.4. How many values in total?
4
Surds3 marks
Expand and simplify (5 + sqrt(6))(5 - sqrt(6)).
5
Transforming Graphs y=f(x)3 marks
The point (1, -2) lies on y = f(x). Write down its image on y = -f(x).

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