Daily Practice

Higher Plus

14th January 1960

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

1
Surds3 marks
Simplify sqrt(72) + sqrt(72), giving your answer in the form a sqrt(b).
2
Transforming Graphs y=f(x)3 marks
The point (-4, 1) lies on y = f(x). Write down its image on y = f(x - 1).
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 36, y = 24. Work out y when x = 81.
4
The Cosine Rule3 marks
A triangle has sides 3 cm, 9 cm and 9 cm. Work out the angle opposite the 3 cm side, to 1 decimal place.
5
Probability Equation Questions3 marks
A bag holds 7 red and n blue counters. The probability of taking a red is 7/10. Work out n.

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