Daily Practice · Higher Plus

Daily Practice - Higher Plus

20th November 1994

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 = 6a + 3b and vector RS = 24a + 12b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 3/4. A player expects 15 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 1.5, one 25 units wide with density 3.5. How many values in total?
4
Bounds3 marks
x = 180 and y = 18, each correct to the nearest whole number. Work out the upper bound of x - y.
5
Quadratic Inequalities3 marks
Solve x^2 + 2x - 3 < 0.

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