Daily Practice

Higher Plus

29th January 1989

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

1
Bounds3 marks
x = 118 and y = 85, 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 (-1, 5) lies on y = f(x). Write down its image on y = f(x) - 3.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 4, y = 16. Work out y when x = 49.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 14 cm and 14 cm and an area of 84.87 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 9 counters, r of them red. Two are taken without replacement and P(both red) = 1/12. Work out r.

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