Daily Practice

Higher Plus

21st August 1977

5 questions · 14 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 - b and vector RS = 8a - 2b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 9 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 1.5, one 10 units wide with density 1.4. How many values in total?
4
Bounds3 marks
x = 173 and y = 83, each correct to the nearest whole number. Work out the upper bound of x - y.
5
Proof2 marks
In an algebraic proof, how would you write three consecutive integers in terms of an integer n?

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