Daily Practice · Higher Plus

Daily Practice - Higher Plus

27th December 1992

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

1
Bounds3 marks
x = 81 and y = 16, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Transforming Graphs y=f(x)3 marks
The point (0, 0) lies on y = f(x). Write down its image on y = f(x - 3).
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 3, y = 72. Work out y when x = 6.
4
The Sine Rule3 marks
In triangle ABC, angle A is 68°, side a is 10 cm and side b is 4 cm. Work out the acute angle B, to 1 decimal place.
5
Conditional Probability3 marks
A bag holds 4 red and 5 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?

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