Let f(x)=x3+6x2+px+qf(x)=x^3+6x^2+px+qf(x)=x3+6x2+px+q, where f(4)=0f(4)=0f(4)=0 and f(−5)=36f(-5)=36f(−5)=36.
a.
Find p p\,p and qqq.
[3]
b.
Factorise f(x)f(x)f(x) completely.
[3]
Markscheme
1.1.11 Algebra and functions Questions
8 exam-style questions on CCEA A Level Maths 1.1.11 Algebra and functions. Each one has a worked solution and a mark scheme showing where the marks go.