CSEC Mathematics · May/June 2010 · Paper 2 · Question 2(a)(i)
Given that a = -1, b = 2 and c = -3.
Find the value of: a + b + c
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 2(a)(ii)Find the value of: b^2 - c^2[1 mark]
- 2(b)(i)Write the following phrases as algebraic expressions: seven times the sum of x and y[1 mark]
- 2(b)(ii)Write the following phrases as algebraic expressions: the product of TWO consecutive numbers when the smaller number is y[1 mark]
- 2(c)Solve the pair of simultaneous equations: 2x + y = 7; x - 2y = 1[3 marks]
- 2(d)(i)Factorise completely: 4y^2 - z^2[1 mark]
- 2(d)(ii)Factorise completely: 2ax - 2ay - bx + by[2 marks]
- 2(d)(iii)Factorise completely: 3x^2 + 10x - 8[2 marks]
More practice: the rest of this paper · more Substitution in Algebraic Expressions questions · all CSEC Mathematics past papers