Daily Practice

Higher Plus

15th October 1978

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 = a - 4b and vector RS = 2a - 8b. 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 28 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 0.4, one 20 units wide with density 3. How many values in total?
4
Bounds3 marks
x = 95 and y = 15, each correct to the nearest whole number. Work out the upper bound of x - y.
5
Algebraic Fractions3 marks
Write 5/(x + 5) + 5/(x - 5) as a single fraction.

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