Skip to content

Course home

Sign up

Algebraic Methods

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157
Question 140

f(x)=x3+kx+16f(x) = x^3 + kx + 16f(x)=x3+kx+16

a.

Given that k=−12k = -12k=−12 show that (x+4)(x + 4)(x+4) is a factor of f(x)f(x)f(x)

[2]
b.

Solve the equation f(x)=0f(x) = 0f(x)=0

[4]
Markscheme

Algebraic Methods Questions

  1. A Level
  2. /Maths
  3. /Algebraic Methods

257 exam-style questions on Edexcel A Level Maths Algebraic Methods, covering 7.1 Algebraic Fractions, 7.2 Dividing Polynomials, 7.3 The Factor Theorem, 7.4 Mathematical Proof, and 7.5 Methods of Proof. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank