CSEC Mathematics · January 2004 · Paper 2 · Question 2(a)(i)
Given p = 5, q = 0 and r = -3.
Calculate the value of 4p - qr.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 2(a)(ii)Calculate the value of 2r².[3 marks]
- 2(b)(i)Make F the subject of the formula.[5 marks]
- 2(b)(ii)The temperature in London is 15°C. Use the formula derived in (i) above to convert this temperature to degrees Fahrenheit.[5 marks]
- 2(c)Solve the following pair of simultaneous equations: 2x + 3y = 18; x + 5y = 23.[4 marks]
More practice: the rest of this paper · more Substitution in Algebraic Expressions questions · all CSEC Mathematics past papers