Daily Practice
Higher Plus
← All tiers
8th October 1989
- 1Bounds3 marks
x = 30 and y = 6, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2Algebraic Fractions3 marks
Simplify (x^2 + 3x - 10)/(x + 5).
- 3Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 3, y = 64. Work out y when x = 4.
- 4The Cosine Rule3 marks
A triangle has sides 17 cm, 13 cm and 8 cm. Work out the angle opposite the 17 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 6 red and n blue counters. The probability of taking a red is 1/2. Work out n.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1989, including the monthly compilation PDF.