Deriving factors of integers

Deriving factors of integers

Secondary 2

4 marks

TGM Original Questions

Factorise \(2a^2+11a+12\), then use a suitable value of \(a\) to give two non-trivial factors of \(322\).[4]

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Create free account Sign in Get the E Math course · from S$29.98/mo E Math tuition

Create a free account to practise similar questions.

Create free account Sign in Get the E Math course · from S$29.98/mo E Math tuition

Answer:\((2a+3)(a+4)\); choosing \(a=10\) gives \(322=23\times14\).

Need help? Join our E-Maths tuition for O-Level success.