Daily Practice · Higher Plus

Daily Practice - Higher Plus

30th March 1993

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 - 5b and vector RS = 12a - 15b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 3/8. A player expects 39 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 0.4, one 10 units wide with density 1.4. How many values in total?
4
Surds3 marks
Expand and simplify (4 + sqrt(3))(4 - sqrt(3)).
5
Completing the Square3 marks
Work out the coordinates of the turning point of y = x^2 - 8x - 5.

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