Daily Practice

Higher Plus

9th June 1967

5 questions · 13 marks · Grades 8-9 · 51 question types in this band

1
Proof of the Circle Theorems2 marks
In a circle theorem proof, a step uses the fact that the angle in a semicircle is being proved. State the reason being quoted.
2
Probability Equation Questions3 marks
A bag holds 9 counters, r of them red. Two are taken without replacement and P(both red) = 1/36. Work out r.
3
Histograms2 marks
On a histogram, a 5-wide bar and a 10-wide bar have the same frequency density of 1.5. How many more values are in the wider class?
4
Surds3 marks
Rationalise the denominator of 25/sqrt(5), giving your answer in its simplest form.
5
Transforming Graphs y=f(x)3 marks
The point (-3, -5) lies on y = f(x). Write down its image on y = f(x + 6).

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