Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
24th April 2022
- 1Bounds3 marks
x = 80 and y = 50, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2Transforming Graphs y=f(x)3 marks
The point (-6, 0) lies on y = f(x). Write down its image on y = -f(x).
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 2, y = 16. Work out y when x = 4.
- 4The Sine Rule3 marks
In triangle ABC, angle A is 48°, side a is 17 cm and side b is 4 cm. Work out the acute angle B, to 1 decimal place.
- 5Conditional Probability3 marks
A bag holds 10 red and 3 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?
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