Daily Practice · Higher Plus

Daily Practice - Higher Plus

17th September 1993

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

1
Surds3 marks
Rationalise the denominator of 132/sqrt(11), giving your answer in its simplest form.
2
Rearranging Harder Formulae3 marks
Make x the subject of 4x + 4 = y(x + 4).
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 5, y = 32. Work out y when x = 4.
4
The Cosine Rule3 marks
A triangle has sides 12 cm, 12 cm and 8 cm. Work out the angle opposite the 12 cm side, to 1 decimal place.
5
Probability Equation Questions3 marks
A bag holds 6 red and n blue counters. The probability of taking a red is 3/4. Work out n.

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