Daily Practice · Higher Plus

Daily Practice - Higher Plus

8th September 1991

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Probability Equation Questions3 marks
A bag holds 5 red and n blue counters. The probability of taking a red is 5/11. Work out n.
2
Histograms3 marks
A histogram has four 10-wide classes from 0, with frequency densities 0.5, 2, 1, 3. Which class contains the median?
3
Bounds3 marks
x = 141 and y = 41, each correct to the nearest whole number. Work out the upper bound of x - y.
4
Transforming Graphs y=f(x)3 marks
The point (3, 6) lies on y = f(x). Write down its image on y = f(x) + 2.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 4, y = 6. Work out y when x = 9.

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