Daily Practice · Higher Plus

Daily Practice - Higher Plus

1st September 1992

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 = a + 5b and vector RS = 4a + 20b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 3/10. A player expects 12 wins. How many games did they play?
3
Histograms2 marks
On a histogram, a 5-wide bar and a 10-wide bar have the same frequency density of 3. How many more values are in the wider class?
4
Surds3 marks
Expand and simplify (7 + sqrt(10))(7 - sqrt(10)).
5
Completing the Square3 marks
Write x^2 + 2x + 13 in the form (x + a)^2 + b.

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