Daily Practice

Higher Plus

10th February 1985

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 + 3b and vector RS = 20a + 15b. 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 4 wins. How many games did they play?
3
Histograms2 marks
On a histogram, a 4-wide bar and a 16-wide bar have the same frequency density of 3. How many more values are in the wider class?
4
Bounds3 marks
x = 39 and y = 28, each correct to the nearest whole number. Work out the upper bound of x - y.
5
Quadratic Inequalities3 marks
Solve x^2 + 8x + 12 > 0.

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