Daily Practice

Higher Plus

14th November 1954

5 questions · 14 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 OA and OB are both radii of the circle, so triangle OAB is isosceles. 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) = 1/6. Work out r.
3
Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 0.4, one 5 units wide with density 3.5. How many values in total?
4
Bounds3 marks
x = 36 and y = 17, each correct to the nearest whole number. Work out the upper bound of x - y.
5
Transforming Graphs y=f(x)3 marks
The point (4, -2) lies on y = f(x). Write down its image on y = f(x - 6).

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