Daily Practice

Higher Plus

18th December 1987

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

1
Surds3 marks
Rationalise the denominator of 12/sqrt(6), giving your answer in its simplest form.
2
Transforming Graphs y=f(x)3 marks
The point (4, -3) 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 = 49, y = 56. Work out y when x = 25.
4
The Cosine Rule3 marks
A triangle has sides 16 cm, 16 cm and 13 cm. Work out the angle opposite the 16 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 7/9. Work out n.

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