Daily Practice

Higher Plus

7th March 1986

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 = 3a + 6b and vector RS = 6a + 12b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 4/5. A player expects 16 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 2, one 20 units wide with density 3. How many values in total?
4
Surds3 marks
Rationalise the denominator of 24/sqrt(2), giving your answer in its simplest form.
5
Inverse and Composite Functions3 marks
f(x) = 4x + 1 and g(x) = 5x - 2. Work out fg(2).

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