Question 2 - A-Level Maths

Exam Board	AQA
Module	FP1 (Further Pure Mathematics 1)
Year	2007
Session	June
Topic	Sign Change & Interval Methods
Type	Pure Interval Bisection Only

Show that the equation $$x ^ { 3 } + x - 7 = 0$$ has a root between 1.6 and 1.8.
Use interval bisection twice, starting with the interval in part (a), to give this root to one decimal place.